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DTSTART;TZID=America/Los_Angeles:20250514T180000
DTEND;TZID=America/Los_Angeles:20250514T193000
DTSTAMP:20260403T112548
CREATED:20250104T225623Z
LAST-MODIFIED:20250104T225623Z
UID:39426-1747245600-1747251000@iafi.org
SUMMARY:How Do They Know? Major Findings About the Ice Age Floods
DESCRIPTION:  \nMaps\nHave you ever been watching a science program and wondered “How do they know that?” Dr. Gary L. Ford\, President\, IAFI\, will briefly discuss the how and who “figured it out” regarding aspects of the Ice Age Floods\, looking at five questions. These include: \n\nhow we know there was a huge glacial lake in western Montana thousands of years ago\,\nhow we know it drained rapidly perhaps a hundred times\,\nabout how many floods there were and when they occurred\,\nwhere the floodwater came from\, and\nabout how long it took the floodwater to get to the ocean.\n\nWe also go over which answers to these questions are still being debated by researchers. \nPresented in partnership with Ice Age Floods Institute (IAFI)
URL:https://iafi.org/event/how-do-they-know-major-findings-about-the-ice-age-floods/
LOCATION:Spokane Valley Library\, 22 N Herald Rd\, A\, Spokane Valley\, W\, WA\, 99206\, United States
CATEGORIES:Cheney-Spokane,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Gary-Ford-erratic-Crop.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250515T190000
DTEND;TZID=America/Los_Angeles:20250515T203000
DTSTAMP:20260403T112548
CREATED:20250508T215616Z
LAST-MODIFIED:20250508T215616Z
UID:40247-1747335600-1747341000@iafi.org
SUMMARY:Sheila Alfsen - Mt. St. Helens May 18\,1980 Eruption - Lwr. Columbia Chapter
DESCRIPTION:The 1980 Eruption of Mt. St. Helens in Washington was the worst volcanic disaster in recorded US history. Geologist Sheila Alfsen\, will bring the event back to life; detailing its onset and eruption sequence. She will illustrate its volcanic hazards with examples from other volcanoes and comparing their relative sizes. Sheila will discuss the advances in volcanology made as result of the eruption\, and how they are used around the world to gain prediction and offer disaster mitigation. \nThursday\, May 15\, 2025\, In Person 7:00 PM (PDT) at Tualatin Heritage Center\, 8700 SW Sweek Drive\, Tualatin\, OR 97062\nALSO Live ZOOM from THC\, Click for Zoom meeting\, Meeting ID: 869 4651 3479 Passcode: 322382. \nSheila Alfsen\nSheila Alfsen’s Background:\n*Current Instructor of Geology: Portland State University\, Chemeketa Community College\, Linn Benton Community College\n*Researcher\n*FEMA Earthquake Publication Reviewer \n*Paleontology- University of Oregon\, Volcanology\, Oceanography\n*Master of Arts in Teaching\, Western Oregon University\n*Bachelors of Arts from Western Oregon University\, Geology and Spanish\n*Oregon resident since 1970 – extensively traveled in US\, particularly the Western states\, Alaska\, Arctic region\, Iceland\, Hawaii\, Mexico\, Puerto Rico\n* Thirty-five years in Education: Experience in interpretation for National Park Service
URL:https://iafi.org/event/sheila-alfsen-mt-st-helens-may-181980-eruption-lwr-columbia-chapter/
LOCATION:Tualatin Heritage Center\, 8700 SW Sweek Drive\, Tualatin\, OR\, 97062\, United States
CATEGORIES:Lower Columbia,Meeting,Presentation
ATTACH;FMTTYPE=image/webp:https://iafi.org/wp-content/uploads/Mt-St-Helens-Eruption.webp
ORGANIZER;CN="Lower Columbia Chapter":MAILTO:LowerColumbia@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250517T130000
DTEND;TZID=America/Los_Angeles:20250517T150000
DTSTAMP:20260403T112548
CREATED:20250305T042858Z
LAST-MODIFIED:20250305T173608Z
UID:39867-1747486800-1747494000@iafi.org
SUMMARY:Cheney-Spokane Chapter Hike – Palisades Park
DESCRIPTION:The 3-mile hike will be led by IAFICS board member geologist Michael Hamilton. It will take place along Rimrock Drive\, which has spectacular views of Spokane and the Spokane Valley. The Glacial Outburst Flood Story will include a lot of “arm-waving\,” pointing out flood features both along the trail and with views to the east. The geology discussion will include details of another kind of flood that hit the Spokane area 14 million years ago. The hike will then cut to the west along one of the park’s trails to find mysterious Mima mounds\, and then loop back to the parking area. \n  \n \n \n 
URL:https://iafi.org/event/cheney-spokane-chapter-hike-palisades-park/
LOCATION:Palisades Park\, 2-198 S Rimrock Dr\, Spokane\, WA\, 99224\, United States
CATEGORIES:Activity,Cheney-Spokane,Field Trip,Hike
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Palisades-Park-View.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250614T080000
DTEND;TZID=America/Los_Angeles:20250614T170000
DTSTAMP:20260403T112548
CREATED:20250307T193414Z
LAST-MODIFIED:20250614T002645Z
UID:39877-1749888000-1749920400@iafi.org
SUMMARY:Northeastern Waterville Plateau Field Trip
DESCRIPTION:2025 Ellensburg Ice Age Flood Institute Field Trip – “Northeastern Waterville Plateau“.\nTopics will center around the Okanogan Lobe of the Cordilleran Ice Sheet and Ice Age floods in a now farmed and ranched landscape in a part of Central Washington few of us visit.  Trip will begin at Crown Point Vista north of Grand Coulee. \nDetailed schedule and the topics to be covered:\n10:00  Stop 1—Crown Point Vista—Topics: Bedrock geology; Weather & climate; Biomes; Cordilleran Ice Sheet; Ice Age floods.\n10:45  Depart\n11:15  Stop 2—Northeast of Leahy Junction—Topics:  Advancing ice landforms (e.g.\, drumlins and flutes); Soil mounds & patterned ground.\n12:00  Depart\n12:30  Stop 3—Trefry Canyon headwaters—Topics: Glacial meltwater features (e.g.\, tunnel valleys and eskers); Farming & ranching patterns.\n1:15  Depart\n1:30     Stop 4—East of Osborne Corner—Topics: Stagnant ice landforms (e.g.\, recessional moraines and haystack rocks).\n2:15     Depart\n2:45     Stop 5—Strahl Canyon—Topics: Glacial meltwater; Glacial Lake Columbia sediments & terraces; Landslides.\n3:30     Depart\n3:45     Stop 6—Columbia River Overlook—Topics: Changing paths of the Columbia River; Crossing the Columbia River; River transport & rapids.\n4:30     Depart for home \nLogistics:\nThis trip is free and open to the public.\n You will need a Discover Pass for Stop 1.\n After Stop 1\, we will drive on a mix of paved and good quality gravel roads.  A standard sedan should do fine on the gravel roads.\n Carpool if you will make the loop back to Crown Point; otherwise\, there should be lots of parking available at each of the stops.\n We will take short hikes at Stops 2\, 3 and 4.  By short\, I mean 0.5 mi or less at each stop.\nThe hiking terrain is fairly gentle but we will be traipsing through sagebrush and bunch grass.\n There are no restroom or picnic facilities along our field trip route.  Therefore\, you will need to use the great outdoors if you need to go.  Plan on eating lunch/snacks on the road or at the stops.  There won’t be a formal lunch stop\n Dogs and kids are fine to bring as long as they are well-behaved.\n Dress for the weather.  June weather here can be sunny and hot to windy & cool.\n I will post a pdf of the field guide by 9 June on my CWU website at https://www.cwu.edu/academics/geography/_documents/karl-lillquist.php.  Scroll\ndown the page to “Field Guides”.  You will find it under “Margins of the Eastern Cascades”.  Feel free to download and bring it on the field trip in digital format or print it out.\n The Ellensburg Chapter of the Ice Age Floods Institute will also provide ~40 hard copies of the field guide for the trip.  There is no cost for the field guides.  However\, if you are not a member of the Ellensburg Chapter\, please consider making a donation to the chapter to help cover the costs of the field guides (each cost ~$12/each). \nQuestions?\nEmail me at lillquis@cwu.edu or leave a phone message at 509 963-1184.  Emails are best as I only check that phone a couple of times each week.\nI hope you can join us on Saturday June 14th.\nKarl Lillquist
URL:https://iafi.org/event/northeastern-waterville-plateau-field-trip/
LOCATION:Leahy Junction\, Coulee City\, WA\, United States
CATEGORIES:Field Trip
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/mosescoulee1.jpg
ORGANIZER;CN="Ellensburg Chapter":MAILTO:Ellensburg@IAFI.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250628T130000
DTEND;TZID=America/Los_Angeles:20250628T143000
DTSTAMP:20260403T112548
CREATED:20250531T221859Z
LAST-MODIFIED:20250601T060532Z
UID:40273-1751115600-1751121000@iafi.org
SUMMARY:Interesting Features and Recent Discoveries of the Middle and Lower Cheney-Palouse Tract
DESCRIPTION:Lloyd Stoess\n“An Overview of the Middle and Lower Cheney-Palouse Tract of the Channel Scablands – Interesting Features and Recent Discoveries”. \nThis lecture will include a speculative look at when and how many floods came through present day Lacrosse. \nSaturday June 28 at 1:00 pm at The Gathering Place in downtown Lacrosse\, WA as is part of the Lacrosse Farmers Festival.\nPresented by Lloyd Stoess\, Palouse Falls Chapter President.
URL:https://iafi.org/event/interesting-features-and-recent-discoveries-of-the-middle-and-lower-cheney-palouse-tract/
LOCATION:The Gathering Place\, LaCrosse\, WA\, 99143\, United States
CATEGORIES:Lecture,Palouse Falls
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Mid-Lower-Palouse-Tract.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250726T090000
DTEND;TZID=America/Los_Angeles:20250726T150000
DTSTAMP:20260403T112548
CREATED:20250628T164600Z
LAST-MODIFIED:20250628T232237Z
UID:40373-1753520400-1753542000@iafi.org
SUMMARY:Ice Age FloodFest 2025
DESCRIPTION:Get ready for the Ice Age Floodfest 2025\, an unparalleled celebration of the cataclysmic events that carved out the Pacific Northwest’s iconic channeled scablands! Dive deep into the geological story that spans millennia and reshaped the very landscape beneath our feet. From towering coulees to vast dry falls\, the evidence of these ancient\, colossal floods is everywhere\, and this year’s Floodfest promises to raise your awareness and understanding of their incredible power and lasting impact. \nJoin us in the Lower Grand Coulee for a day of expert-led talks\, fascinating field trips\, and engaging exhibits that will transport you back to a time when mile-high ice dams burst\, unleashing torrents of water that dwarfed any flood in human history. Whether you’re a seasoned geologist or simply curious about the natural wonders around you\, the Ice Age Floodfest 2025 is an event you won’t want to miss! Presenters will share their knowledge and their appreciation of  Ice Age Floods Geology\, the Channeled Scablands\, Shrub  Steppe Ecosystems\, Anthropology\, Archeology\, and History. \nField Trip Hike: 9:00 AM – 10:30 AM\nWhere: Lake Lenore Caves Heritage Area\nBruce Bjornstad\, a Research Scientist based in Richland\, Washington and  author of the popular ‘On the Trail of the Ice Age Floods’ guidebooks\, will lead an  educational hike from the Lake Lenore Caves trailhead. The park is situated above Lake  Lenore\, and it offers stunning views of the valley. The caves themselves are shallow basalt  formations created during the Great Missoula floods. \nOutdoor Booths: 10 AM – 3 PM on the campus of Dry Falls Visitor Center. Featuring Federal\, State\, Confederated Tribes of the Colville  Reservation\, Nonprofits\, Historians\, Authors\, & Volunteers\nWhere: Dry Falls Visitor Center – Sun Lakes Dry Falls State Park 35661 HWY 17 North\, Coulee City\, WA 99115 \n\nIce Age Floods Institute – Lower Grand Coulee Chapter and other Ice Age Flood Institute chapters from Oregon\, Idaho\, Montana\, and Washington. \nThe Confederated Tribes of the Colville Reservation will have historic photographs telling the  story and the history of the Confederated Tribes of the Colville Reservation. They will also share  the legends of the beautiful landscape of the Dry Falls area and surrounding landscape. \nDr. Karen Capuder – Anthropologist and Senior Archaeologist Colville Tribes\, will share some of  the cultural and political history of the Colville Tribes\, from time immemorial to the present day. \nGrant County Historians/authors: Dan Bolyard & John M. Kemble – Dan Bolyard has been a lifelong Grant County Big Bend area resident and railroad historian. John M. Kemble is a local historian and explorer highlighting Dry Falls\, Sun Lakes\, Steamboat Rock\, The Grand Coulee\, and Banks Lake. \nNorth Central Regional Library –April Harward\, learn about the NCW Summer Library programs – captivating storytelling to engaging workshops and fun activities\, everyone can unleash their unique voice and explore their passions. \nNational Park Service – Justin Radford\, Program Manager for the Ice Age Floods National Geologic Trail with a Mobile Interpretive Center showcasing the Ice Age Floods National Geologic Trail\, the Lake Roosevelt National Recreation Area\, and The Grand Coulee a National Natural Landmark. \nFoster Creek & Columbia Basin Conservation Districts – programs on Shrub Steppe ecology\, water resources\, wildlife\, and native vegetation.\nWashington Department of Wildlife – wildlife found in Eastern Washington as well as the enhancement and preservation work that is done in the Columbia Basin.\nArcheologist – Mark Amara\, Kim Lancaster\, and Kellie Green; representing the Cascadia Conservation District\, USDA Natural Resources Conservation Service. Their booth will highlight  the importance of historical artifacts\, tools of the trade\, and hands-on activity too. \nBureau of Reclamation – will have an overview of the Columbia Basin Irrigation Project\, and  the Grand Coulee Dam.\n\nPresentations: 10 am – 3 pm\nWhere: inside/upstairs in the Dry Falls Visitor Center \n\n\nNPS Ranger Justin Radford\nRanger David McWalter\n10 am – 11 am: Justin Radford\, Program Manager\, NPS\, Ice Age Floods National Geologic Trail\, will present an  overview of this unique geologic trail starting in Montana\, through Idaho\, Oregon\, and  Washington.\nInterpretive Specialist\, David McWalter\, will present an overview of Washington’s Ice Age Floods\,  introduce the rugged terrain of eastern Washington that was shaped by floods of unimaginable  power during the last ice age\, and share how the scientific views of the landscape have changed  over the last century.  \n11:30 am – 12:30 pm: WA DNR\, Geologist Joel Gombiner will present an update on recent studies of Washington’s Ice  Age Floods and introduce a new lidar-based visualization of Dry Falls.\n1 pm – 2 pm: WA State Parks\, Interpretive Specialist 1\, Sarah Overby will present “Brushstrokes: The  Colorful Story of Lichen“. From rocks\, trees\, soil\, and pretty much anything that will sit still long  enough\, lichen will spring up in robust colonies. Crusty\, leafy\, or even… fuzzy? They paint beautiful  bright oranges and greens across the dark basalt rock and the branches of the sagebrush\, but  what are they doing there? This 45-minute presentation aims to dive deeper into the complexities  of lichen and discuss its impact on ecosystems as well as its impact on us. \n2:30 pm – 3:00 pm: Viewing of Bruce Bjornstad’s – “Ice Age Floodscapes”\n\nBretz’ Great Cataract Group\nPrimordial Potholes Coulee\nGrand Coulee – NW Exposures\nDry Falls\nDeep Lake Potholes\n\n\n\nDry Falls Visitor Center – weather station – up-to-date weather conditions at Dry Falls provided by the National Park Service. Watch a timelapse of the past 24 hours by clicking on the small photo\, enlarge\, press play\, and enjoy!
URL:https://iafi.org/event/ice-age-floodfest-2025/
LOCATION:Dry Falls Visitor Center\, 35661 HWY 17 North\, Coulee City\, WA\, United States
CATEGORIES:Booth,Hike,Presentation
ATTACH;FMTTYPE=image/png:https://iafi.org/wp-content/uploads/WA-State-Parks-Logo-crop.png
ORGANIZER;CN="WA State Parks%2C Dry Falls Visitor Center":MAILTO:David.McWalter@parks.wa.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250726T120000
DTEND;TZID=America/Los_Angeles:20250726T140000
DTSTAMP:20260403T112548
CREATED:20250304T171408Z
LAST-MODIFIED:20250611T003831Z
UID:39864-1753531200-1753538400@iafi.org
SUMMARY:Rescheduled Cheney-Spokane Chapter Hike – Waikiki Springs
DESCRIPTION:Join us for a scenic and informative hike north of Spokane\, where geologist Michael Hamilton\, an IAFICS board member\, will guide us through fascinating Ice Age flood features. This newly protected conservation area boasts well-established trails and stunning geological formations. \nAt Waikiki Springs\, the Spokane Aquifer emerges from beneath an ancient\, sand-and-gravel-filled valley—evidence of the massive outburst floods that shaped the region during the last Ice Age. \nGroup size is limited to the first 20 registrants. Once you sign up\, we’ll provide full hike details and keep you updated on any changes leading up to the event. \n\nResources: Waikiki Springs Nature Preserve
URL:https://iafi.org/event/cheney-spokane-chapter-hike-waikiki-springs-july2025/
LOCATION:Waikiki Springs Trailhead\, Washington\, 99218
CATEGORIES:Activity,Cheney-Spokane,Hike
ATTACH;FMTTYPE=image/png:https://iafi.org/wp-content/uploads/Waikiki-Springs-Nature-Preserve-Spokane.png
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250903T180000
DTEND;TZID=America/Los_Angeles:20250903T190000
DTSTAMP:20260403T112548
CREATED:20250824T054054Z
LAST-MODIFIED:20250824T054054Z
UID:40588-1756922400-1756926000@iafi.org
SUMMARY:9/3-Mega Floods\, Ice Ages\, Earthquakes\, Volcanic Eruptions\, and other Major Earth Events. A look at our dynamic planet of things that could keep you awake at night but shouldn't
DESCRIPTION:This presentation by Lloyd Stoess will delve into ten of the causes of ice ages and climate change including the answer to how many ice ages have occurred. It will also look at big earth hazards here in the Pacific Northwest that have occurred in the past and if they should be of concern today.
URL:https://iafi.org/event/9-3-mega-floods-ice-ages-earthquakes-volcanic-eruptions-and-other-major-earth-events-a-look-at-our-dynamic-planet-of-things-that-could-keep-you-awake-at-night-but-shouldnt-2/
LOCATION:Ritzville Public Library\, 302 West Main Street\, Ritzville\, Washington\, 99169
CATEGORIES:All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/4390-8-85.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250910T180000
DTEND;TZID=America/Los_Angeles:20250910T190000
DTSTAMP:20260403T112548
CREATED:20250824T041300Z
LAST-MODIFIED:20250824T043126Z
UID:40576-1757527200-1757530800@iafi.org
SUMMARY:9/10-Mega Floods\, Ice Ages\, Earthquakes\, Volcanic Eruptions\, and other Major Earth Events. A look at our dynamic planet of things that could keep you awake at night but shouldn't.
DESCRIPTION:This presentation by Lloyd Stoess will delve into ten of the causes of ice ages and climate change including the answer to how many ice ages have occurred. It will also look at big earth hazards here in the Pacific Northwest that have occurred in the past and if they should be of concern today.
URL:https://iafi.org/event/mega-floods-ice-ages-earthquakes-volcanic-eruptions-and-other-major-earth-events-a-look-at-our-dynamic-planet-of-things-that-could-keep-you-awake-at-night-but-shouldnt-copy/
LOCATION:Whitman County Library\, 102 South Main St.\, Colfax\, WA\, 99111\, United States
CATEGORIES:All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/4390-8-85.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250918T180000
DTEND;TZID=America/Los_Angeles:20250918T190000
DTSTAMP:20260403T112548
CREATED:20250824T032444Z
LAST-MODIFIED:20250824T043147Z
UID:40567-1758218400-1758222000@iafi.org
SUMMARY:9/18-Mega Floods\, Ice Ages\, Earthquakes\, Volcanic Eruptions\, and other Major Earth Events. A look at our dynamic planet of things that could keep you awake at night but shouldn't.
DESCRIPTION:This presentation by Lloyd Stoess will delve into ten of the causes of ice ages and climate change including the answer to how many ice ages have occurred. It will also look at big earth hazards here in the Pacific Northwest that have occurred in the past and if they should be of concern today.
URL:https://iafi.org/event/mega-floods-ice-ages-earthquakes-volcanic-eruptions-and-other-major-earth-events-a-look-at-our-dynamic-planet-of-things-that-could-keep-you-awake-at-night-but-shouldnt/
LOCATION:Connell Library\, 118 N. Columbia\, Connell\, Washington
CATEGORIES:All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/4390-8-85.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20250927T160000
DTEND;TZID=America/Los_Angeles:20250927T170000
DTSTAMP:20260403T112548
CREATED:20250524T225449Z
LAST-MODIFIED:20250902T212223Z
UID:40256-1758988800-1758992400@iafi.org
SUMMARY:Joseph Pardee - Swiss Army Knife for the USGS! w/ Bill Burgel
DESCRIPTION:Joseph T. Pardee\nBill Burgel will be speaking on the career and contributions of Joseph Pardee to our understanding of the Ice Age Floods. Joseph T. Pardee was a USGS Field Geologist who\, for 32 years (1910-1941)\, focused on a variety of geologic issues throughout the country. His geologic acumen was vigorously sought after by nearly every department within the USGS. \nPardee is most widely known for quipping that “he knew where Bretz’ water was.” As retirement approached\, Pardee used his intense observational skills and his incredible patience to finally devote himself to his secret love of Glacial Lake Missoula (GLM)when he published his “Unusual Currents.” It made clear that GLM drained catastrophically fast and flowed at incredible speeds. He thus provided a possible source for the catastrophic flood that Bretz had been postulating. \nDoors will open at 3:30 pm with the presentations beginning at 4:00pm. This event will offer an opportunity to browse and purchase such Ice Age Floods items as books\, maps\, posters and baseball caps. All purchases must be with cash or check only please. \nBill Burgel\, Professional Geologist Registered in Oregon and Idaho\, retired in 2015 after a successful 45-year career in the railroad industry. He worked for several railroads nationwide in both the engineering and operating departments. While working for the railroad\, his interest and training in geology was often called upon to resolve landslide issues and rerouting studies\, implement early earthquake warning strategies\, and conduct numerous long railroad tunnel analyses. Bill has given numerous presentations on rail issues as well as earthquake preparedness and topics pertaining to regional geology to local audiences throughout the Pacific Northwest and on cruise ships.
URL:https://iafi.org/event/joseph-pardee-swiss-army-knife-for-the-usgs/
LOCATION:Hal Holmes Community Center\, 201 Ruby St\, Ellensburg\, WA\, 98926\, United States
CATEGORIES:Ellensburg,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/2022/06/JTPardee-Crop-1-e1748127250147.jpg
ORGANIZER;CN="Ellensburg Chapter":MAILTO:Ellensburg@IAFI.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251004T130000
DTEND;TZID=America/Los_Angeles:20251004T150000
DTSTAMP:20260403T112548
CREATED:20250917T053401Z
LAST-MODIFIED:20250917T235727Z
UID:40679-1759582800-1759590000@iafi.org
SUMMARY:Cheney-Spokane Chapter Quarry Hike
DESCRIPTION:🪨 Explore 1.3 Billion Years in One Afternoon!\nSaturday\, October 4 — Join the inimitable Michael Hamilton for a guided geology hike through Spokane Conservation District’s remarkable new headquarters\, nestled in an ancient basalt quarry. \nThis site is both brand new and unimaginably old. The Quarry reveals a stunning cross-section of Earth’s history—1.3 billion years of geologic drama exposed in a short\, accessible hike. Along the way\, you’ll see and learn about the effects of Ice Age floods\, huge lava flows\, tectonic shifts\, and more\, all woven into a developing geologic trail for the community. \nDon’t miss this rare chance to walk through deep time with expert insight and plenty of scenic stops. The new Scale House Market at the Quarry will be open with public bathrooms and the access gate will be open. \nWe will meet up at 1 PM in front of the SCD office. Good walking shoes are recommended for this easy-moderate hike. \nRegister for the hike using the button below. Each participant will need to have a signed liability waiver-click on the red button to download one for printing and bring it along. We will have more at the trailhead.
URL:https://iafi.org/event/cheney-spokane-quarry-hike-october2025/
LOCATION:Spokane Conservation District Office\, 4422 E 8th Ave\, Spokane Valley\, WA\, 99212\, United States
CATEGORIES:Activity,Cheney-Spokane,Hike
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/SCD-QuarryOffice.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251005T100000
DTEND;TZID=America/Los_Angeles:20251005T160000
DTSTAMP:20260403T112548
CREATED:20250616T201349Z
LAST-MODIFIED:20250929T154224Z
UID:40316-1759658400-1759680000@iafi.org
SUMMARY:Lake Wenatchee Area Field Trip - Cancelled (Again)
DESCRIPTION:Given the ongoing Lower Sugarloaf Fire situation and resulting poor air quality over the region\, I am going to cancel the Lower Lake Wenatchee Area Field Trip planned for Sunday 5 October.  The indefinite closure of US 97 over Blewett Pass has also entered into my decision as it affects those who would be travelling to the area from the south.  I will try to offer this field trip sometime in Spring/Early Summer 2026.  I apologize for any inconvenience this has caused you. \nRetired CWU Geographer Karl Lillquist will lead a field trip to the lower Chiwawa River Valley near Plain\, WA.  Plan on gathering in the vicinity of Plain at about 10am.  Quick description:  Topics will center around alpine glaciation from various sources in the Eastern Cascades near the lower Lake Wenatchee Area.  Trip will begin on the beach in the southern portion of Lake Wenatchee State Park (map). \nDetailed schedule and the topics to be covered: \n\n10:00  Stop 1—Lake Wenatchee State Park—Topics: Bedrock geology; weather & climate; Wenatchee River alpine glacier.\n11:00  Depart\n11:30  Stop 2—Northeast of Fish Lake —Topics:  Fish Lake lobe of the Wenatchee River glacier; moraines & erratics; moraine-dammed lakes; Glacier Peak & Mt. St. Helens tephras.\n12:15  Depart\n12:45  Stop 3—Chiwawa River Valley Overlook—Topics: Chiwawa River alpine glacier; Mad River outlet glaciers; declining contemporary glaciers.\n1:45  Depart\n2:00     Stop 4—Meadow Creek Valley Overlook—Topics: Meadow Creek/Napeequa glaciers; Dirtyface Mountain cirques; Napeequa River capture by White River; moraine-dammed lakes.\n2:45     Depart\n3:15     Stop 5—Deep Creek at Morrow Meadow—Topics: Glacial meltwater\, faulting\, lateral valleys\, and ice age lakes.\n4:00     Depart for home\n\nLogistics: \n\nThis trip is free and open to the public.\nYou will need a Discover Pass for Stop 1.\nAfter Stop 1\, we will drive on a mix of paved and good quality gravel forest roads.  A Subaru-type AWD vehicles should do fine on the gravel roads.\nI strongly encourage you to consider carpooling; parking will be limited at each of the stops and lengthy strings of automobiles can be unwieldy on narrow forest roads.\nWe will take short hikes at Stops 2\, 3 and 4.  By short\, I mean 0.25 mi or less at each stop.  The hiking terrain at Stops 3 and 4 will be fairly steep.  Stops 2 and 4 will involve hiking off trail through recently logged areas.\nNo restroom or picnic facilities are available along our field trip route after Stop 1.  Therefore\, you will need to use the great outdoors if you need to go.  Plan on eating lunch/snacks on the road or at the stops.  There will not be a formal lunch stop.\nDogs and kids are fine to bring as long as they are well-behaved.\nDress for the weather.  September weather here can be sunny and hot to rainy\, windy & cool.\nI will post a pdf of the field guide by 29 August on my CWU website at https://www.cwu.edu/academics/geography/_documents/karl-lillquist.php.  Scroll down the page to “Field Guides”.  You will find it under “Lower Lake Wenatchee Area”.  Feel free to download and bring it on the field trip in digital format or print it out.\nThe Ellensburg Chapter of the Ice Age Floods Institute will also provide ~40 hard copies of the field guide for the trip.  There is no cost for the field guides.  However\, if you are not a member of the Ellensburg Chapter\, please consider making a donation to the chapter to help cover the costs of the field guides (each cost ~$13/each).
URL:https://iafi.org/event/lower-chiwawa-river-valley-field-trip/
LOCATION:Lake Wenatchee State Park\, 21588 SR 207\, Leavenworth\, WA\, 98826\, United States
CATEGORIES:Ellensburg,Field Trip
ATTACH;FMTTYPE=image/webp:https://iafi.org/wp-content/uploads/Karl-Lillquist-Portrait.webp
ORGANIZER;CN="Karl Lillquist":MAILTO:outreach@geology.cwu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251011T090000
DTEND;TZID=America/Los_Angeles:20251011T160000
DTSTAMP:20260403T112548
CREATED:20250827T015307Z
LAST-MODIFIED:20250913T031407Z
UID:40591-1760173200-1760198400@iafi.org
SUMMARY:Quincy Basin Field Trip
DESCRIPTION:During the Missoula Floods the Quincy Basin was filled with flood waters mostly arriving through Grand Coulee and the Telford-Crab Creek Scabland Tract via Crab Creek. Some spillover from the Cheney-Palouse Scabland Tract also entered the basin through east-west coulees.  The flood water drained out of the basin in four places that will be visited on this car Caravan Tour – Crater/Lynch Coulee\, Potholes Coulee\, Frenchman Coulee\, and Drumheller Channels. Stops are also planned for Moses Lake\, the Ephrata Fan\, Soap Lake\, Lower Moses Coulee\, West Bar\, and Babcock Bench. \nFIELD TRIP REGISTRATION FORM    \nLIABILITY RELEASE FORM
URL:https://iafi.org/event/quincy-basin-field-trip/
LOCATION:Othello Lions Park\, 815 East Fir Street\, Othello\, Washington\, 99344
CATEGORIES:Activity,All IAFI,Field Trip,Palouse Falls
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/250302-scaled.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251011T110000
DTEND;TZID=America/Los_Angeles:20251011T160000
DTSTAMP:20260403T112548
CREATED:20250610T222536Z
LAST-MODIFIED:20251008T210113Z
UID:40295-1760180400-1760198400@iafi.org
SUMMARY:Cheney-Spokane Members Meeting and Public Lecture
DESCRIPTION:This event is open to the public\, but only IAFI Cheney-Spokane members can vote during the member meeting. It will be held at the beautiful new Doris Morrison Learning Center at 1330 S. Henry Road.  Exit the freeway south on Barker Road\, turn left at the roundabout at Sprague Road\, then right at the three-way junction on Henry Road. \n\nSaltese Uplands Conservation Area hike: 11:00 AM – 1:00 PM (Note: A completed liability form is required for this 3-mile hike. It is of moderate difficulty and consists of a dirt and rock trail with switchbacks\, spanning about 700 vertical feet. Bring your own snacks & drinks\, good hiking shoes\, and dress appropriately for mid October weather conditions. Lunch is not provided. Meet the hike leader at the Saltese Flats Wetland trailhead at 11 AM.)\nMember meeting: 2:00-3:00 PM\nSpeaker: USGS Geologist Jim O’Connor (beginning after the Member meeting)\n“A Century of Discovery: 102 Years of Studying the Ice Age Spokane Flood”\nSynopsis: For more than a century\, geologists have investigated the massive Ice Age floods that swept through Spokane\, reshaping the region’s terrain and sparking global scientific interest. USGS Geologist Jim O’Connor will review some of the discoveries made in our understanding of these cataclysmic events—from their origins and pathways to the dramatic landforms they left behind. He will also highlight some of the enduring questions that continue to drive new research\, revealing how much there is still to learn about one of North America’s most extraordinary geological phenomena.\n\nNote: At present\, we have three openings on our chapter board.  Our board meets the third Tuesday of each month from 3-5 PM at the Wren-Pierson Building in Cheney.  Interested? Members with expertise in accounting or K-12 education or medical experience or any other expertise that would aid our chapter’s mission should send a very brief vita to Dr. Linda McCollum\, President\, IAFI Cheney-Spokane Chapter\, lmccollum@ewu.edu \nPlease use the button below to sign up for the event and optional hike. Your registration helps us plan more smoothly and ensure a great experience for everyone.
URL:https://iafi.org/event/cheney-spokane-members-meeting-2025/
LOCATION:Doris Morrison Learning Center (DMLC)\, 1330 S Henry Road\, Greenacres\, Washington\, 99016
CATEGORIES:Activity,Cheney-Spokane,Hike,Lecture,Meeting
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/DMLC-2-Saltese-Flats-Spokane-Valley-1.jpeg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251011T160000
DTEND;TZID=America/Los_Angeles:20251011T170000
DTSTAMP:20260403T112548
CREATED:20250524T231005Z
LAST-MODIFIED:20251004T155339Z
UID:40262-1760198400-1760202000@iafi.org
SUMMARY:Northern Kittitas Valley Fault Trace Research - Postponed
DESCRIPTION:Stephen Angster\, +one\nOur speaker\, Steven Angster\, scheduled for October 11th is going to have to be rescheduled as he is a federal employee with the USGS and is not allowed to do any work related activities during the shutdown.     \nWe are tentatively looking at a new date in late June of 2026.  We are still working on the details of that. \nStephen Angster\, a research scientist at the Seattle Field Office of the U.S. Geological Survey’s Earthquake Science Center\, focuses on characterizing and integrating upper-plate fault source parameters for probabilistic seismic hazard analysis in the Pacific Northwest. He employs a multidisciplinary approach—emphasizing paleoseismic trenching as a tool alongside geophysical and geological investigations—to better understand the spatial and temporal patterns of prehistoric large earthquakes. \nDoors will open at 3:30 pm with the presentations beginning at 4:00pm. This event will offer an opportunity to browse and purchase such Ice Age Floods items as books\, maps\, posters and baseball caps. All purchases must be with cash or check only please.  \nSteve currently leads active research projects on both sides of the Cascades. On the west side\, he has identified new fault scarps along the Seattle fault zone and the Canyon River fault. East of the Cascades\, his work focuses on constraining the nature and extent of back-arc deformation. Understanding strain accommodation across the Kittitas Valley is a key component to that research. He will present new data from studying several strands of a fault trace that spans many kilometers of the northern Kittitas Valley. \nStephen holds a B.S. from Western Illinois University\, an M.S. from the Colorado School of Mines\, and a Ph.D. from the University of Nevada\, Reno.
URL:https://iafi.org/event/northern-kittitas-valley-fault-trace-research/
LOCATION:Hal Holmes Community Center\, 201 Ruby St\, Ellensburg\, WA\, 98926\, United States
CATEGORIES:Ellensburg,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Stephen-Angster-e1748127845465.jpg
ORGANIZER;CN="Ellensburg Chapter":MAILTO:Ellensburg@IAFI.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251014T190000
DTEND;TZID=America/Los_Angeles:20251014T203000
DTSTAMP:20260403T112548
CREATED:20251001T025253Z
LAST-MODIFIED:20251001T025253Z
UID:40705-1760468400-1760473800@iafi.org
SUMMARY:Expansion of Early Roads in the US West
DESCRIPTION:On Tuesday October 14\, Dr. E. F. Cater\, Director of the Douglas County Historical Museum in Waterville\, will present a talk\, “Expansion of Early Roads in the US West.” The program starts at 7:00 PM\, at the Wenatchee Valley Museum and Cultural Center\, 127 South Mission\, in Wenatchee. Zoom link for those who cannot attend in person: https://us02web.zoom.us/j/8185554795 Meeting ID: 818 5554 7958 \nWestern roads developed by push and shove. Business people and shippers built some of the first usable roads. They needed to get wares to market. Others built ways to get to town to buy those goods. \nBuilding new roads\, and connecting roads\, was difficult and expensive. No entity wanted to do that. Not the Federal government\, nor the states\, not the counties. They got pushed into road-building. What happened? \nAround 1912\, the introduction of the automobile\, especially the Model T\, spurred the United States into building auto-routes adequate for travel. There were no transcontinental highways. Many states didn’t even connect with one another. \nLocally\, the Yellowstone Trail eventually passed through Waterville\, Wenatchee\, Monitor\, Cashmere\, and over Blewett Pass. We will learn about that road. \nClick the link below to see the first 3 minutes of the presentation:\n \nThe program is free and open to the public. \nSwitchbacks on Blewett Pass\, 1910
URL:https://iafi.org/event/expansion-of-early-roads-in-the-us-west/
LOCATION:Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee\, WA\, United States
CATEGORIES:Meeting,Presentation,Wenatchee
ORGANIZER;CN="WENATCHEE VALLEY ERRATICS CHAPTER":MAILTO:wenatchee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251018T090000
DTEND;TZID=America/Los_Angeles:20251018T150000
DTSTAMP:20260403T112548
CREATED:20250907T033752Z
LAST-MODIFIED:20250907T034710Z
UID:40628-1760778000-1760799600@iafi.org
SUMMARY:🗺️ Cheney-Spokane Chapter Fall Field Trip
DESCRIPTION:Saturday\, October 18\, 9:00 AM – approx. 3:00 PM\nNo cost • Car caravan format • BYO food & drinks \nAfter a summer of record heat\, haze\, and delay\, cooler weather has finally arrived—and so has our rescheduled fall field trip! Join us on Saturday\, October 18\, just one week after our annual membership meeting\, for a full-day exploration of the northern Cheney-Palouse scabland tract. \nThis year’s trip will spotlight the landscape that first led J Harlen Bretz to propose a massive outwash flood beneath an ice cap—before he reluctantly considered Thomas Pardee’s theory of glacial Lake Missoula as the water source. We’ll trace their steps and interpretations across key sites\, guided by: \n\nDr. Linda B. McCollum\, Professor Emeritus at EWU and current chapter president\nGlenn Cruickshank\, who has meticulously mapped Bretz’s and Pardee’s field notes using Google Earth\n\n🧭 Trip Overview\n \nWe’ll meet at 9:00 AM at the Cheney-Spokane Chapter parking lot (1st Street & Cheney Plaza Road\, south end of Cheney) for a quick briefing. From there\, we’ll caravan to: \n\nTurnbull Wildlife Refuge HQ – hike and discussion of scabland channels\nWilliams Lake Cataract – second only to Dry Falls in scale\nAmber Lake – loess island and classic scabland topography\nLunch break in Cheney – bring your own food and drinks\nFish Lake (Cheney-Spokane Road) – scour pools and rock blade formations\nMarshall – glacial outwash delta and broad flood channel features\n\nWe expect to wrap up around 3:00 PM. All stops have ample parking\, so there’s no limit on vehicles—everyone’s welcome! \n📝 What to Bring\n\nYour own food and drinks\nA signed liability form (click on the red button below to download and print one that you can bring to the event)\nCuriosity\, good shoes\, and maybe a camera!\n\nThis is a great chance to revisit foundational flood geology with fresh eyes and expert insight. We hope to see you there! \n \n 
URL:https://iafi.org/event/october-2025-chapter-field-trip/
LOCATION:WA
CATEGORIES:Activity,Cheney-Spokane,Field Trip
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/WilliamsLakeCataract-scaled.jpg
ORGANIZER;CN="Cheney-Spokane Chapter":MAILTO:iaficheneyspokane@gmail.com
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251101T100000
DTEND;TZID=America/Los_Angeles:20251101T170000
DTSTAMP:20260403T112548
CREATED:20250616T201630Z
LAST-MODIFIED:20251025T175430Z
UID:40318-1761991200-1762016400@iafi.org
SUMMARY:Field Trip East of Coulee City\, WA - Updated
DESCRIPTION:Karl Lillquist will lead “East of Coulee City” field trip on the day after Halloween. \nWe will meet at the Coulee City Campground at 10am.  Stops will include: 1) Coulee monocline; 2) Hartline Basin expansion bar; 3) top of Hartline Hill; 4) mid-slope Hartline Hill; and 5) Hartline Basin scablands. \nQuick description:  Topics will center around Ice Age flooding associated with Glacial Lake Missoula in the area east of Coulee City.  Trip will begin on the peninsula on the north end of Coulee City Community Park.    \nDetailed schedule and the topics to be covered: \n\n 10:00  Stop 1—Coulee City Community Park—Topics: Bedrock & structural geology; weather & climate; General patterns of Glacial Lake Missoula floods and the Okanogan Lobe of the Cordilleran Icesheet; Banks Lake.   \n10:45  Depart\n11:00  Stop 2—Coulee Monocline —Topics:  Monoclines & homoclines; Age of Coulee Monocline and its relationship to Ice Age floods & Hartline Basin; Historical orchards\, highways & railroads.\n11:45  Depart\n12:00  Stop 3—Hartline Basin Expansion Bar—Topics: Bretz in the Hartline Basin; Expansion bars; Soils atop expansion bar.\n12:45  Depart\n1:00     Stop 4—Top of “Hartline Hill”—Topics: Maximum flood limit; Loess-based soil characteristics\, origins & age; Water erosion & loess;\n1:45     Depart\n2:00     Stop 5—Mid-slope on “Hartline Hill”—Topics: Unnamed canyon & fan; Possible floodwaters over “Hartline Hill”.\n2:45     Depart\n3:00     Stop 6—Hartline Basin Scablands—Topics: Scablands & Bretz;  Floods\, erosion & scablands; Giant pendant bars;  Other possible floodwater sources in Hartline Basin\n4:00     Depart for home\n\nLogistics: \n\nThis trip is free and open to the public.  There is no need to register.\nAfter Stop 1\, we will drive on a mix of paved and good quality gravel roads.  Passenger cars should be fine on these roads.\nI encourage you to consider carpooling.  This will reduce the time it takes to get us all together at each stop plus will reduce our carbon footprint.   \nWe will take short walks at Stops 2\, 3 and 6.  By short\, I mean 0.25 mi or less at each stop.  There will be a bit of somewhat steep\, uneven terrain at each of the stops.  We will also need to cross a barbed wire fence at Stops 2 and 6.\nNo restroom or picnic facilities are available along our field trip route after Stop 1.  Therefore\, you will need to use the great outdoors if you need to go.  Plan on eating lunch/snacks on the road or at the stops.  There will not be a formal lunch stop.\nDogs and kids are fine to bring as long as they are well-behaved.\nDress for the weather.  November weather here can be sunny and mild to rainy\, windy & chilly.  Our first two stops will be especially exposed to a possible north wind. \nA field guide is posted on my CWU website at https://www.cwu.edu/academics/geography/_documents/karl-lillquist.php.  Scroll down the page to “Field Guides”.  You will find it under “East of Coulee City”.  Feel free to download and bring it on the field trip in digital format or print it out.\nThe Ellensburg Chapter of the Ice Age Floods Institute will also provide ~40 hard copies of the field guide for the trip.  There is no cost for the field guides.  However\, if you are not a member of the Ellensburg Chapter\, please consider making a donation to the chapter to help cover the costs of the field guides (each cost ~$15/each). \n\nField Trip Liability Form\nPlease print and fill out the attached field trip liability release form\, and give it to one of the Ellensburg Chapter IAFI officers at the field trip.  We will also have hardcopies of the liability release form if you need them.  Thank you! \nQuestions?\nEmail me at lillquis@cwu.edu or leave a phone message at 509 963-1184.  Emails are best as I only check that phone a couple of times each week.  A heads up: I may be away from phone  & email between 29 October to 1 November.    \nI hope to see you Saturday 1 November!\nKarl L.[integrate_google_drive id=”5″]
URL:https://iafi.org/event/field-trip-east-of-coulee-city-wa/
LOCATION:WA
CATEGORIES:Ellensburg,Field Trip
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Logo-Ellensburg-HighRes-x200.jpg
ORGANIZER;CN="Karl Lillquist":MAILTO:outreach@geology.cwu.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251104T183000
DTEND;TZID=America/Los_Angeles:20251104T200000
DTSTAMP:20260403T112548
CREATED:20251030T064752Z
LAST-MODIFIED:20251030T064752Z
UID:40940-1762281000-1762286400@iafi.org
SUMMARY:EVOLUTION OF THE COLUMBIA RIVER SYSTEM
DESCRIPTION:We have always assumed that the Columbia River and its tributaries have been the same for many millions of years. The Earth is constantly fooling us like that.  In reality most river systems are dynamic\, and the Columbia River is no exception. We will explore how it has changed over the past 16 million years.  We’ll see how in earlier times locations such as like Yakima\, Prosser and Benton City would have been on the Columbia River\, while the Tri-Cities would have been left high and dry. \nThe Columbia River system is one of the great river systems of North America\, draining much of the Pacific Northwest\, as well as parts of the western United States and British Columbia. The river system has had a long and complex history\, slowly evolving over the past 17MY The Columbia River and its tributaries have been shaped by flood basalt volcanism\, Cascade volcanism\, regional tectonism\, and finally outburst floods from Glacial Lake Missoula. The most complex part of river development has been in the northern part\, the Columbia Basin\, where the Columbia River and its tributaries were controlled by a subsiding Columbia Basin with subtle anticlinal ridges and synclinal valleys superimposed on a flood basalt landscape. After negotiating this landscape\, the course to the Pacific Ocean led through the Cascade Range via the Columbia Trans-Arc Lowland\, an ancient crustal weakness zone that separates Washington and Oregon. The peak of flood basalt volcanism obliterated the river paths\, but as flood basalt volcanism waned\, the rivers were able to establish courses within the growing fold belt. As the folds grew larger\, the major pathways of the rivers moved toward the center of the Columbia Basin where subsidence was greatest. The finishing touches to the river system\, however\, were added during the Pleistocene by the Missoula floods\, which caused local repositioning of river channels.
URL:https://iafi.org/event/evolution-of-the-columbia-river-system/
LOCATION:The Reach Museum\, 1943 Columbia Park Trl \, WA\, Richland\, WA\, 99352\, United States
CATEGORIES:Lake Lewis,Meeting,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Stephen-Reidel.jpg
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251115T093000
DTEND;TZID=America/Los_Angeles:20251115T150000
DTSTAMP:20260403T112548
CREATED:20251025T173423Z
LAST-MODIFIED:20251025T173537Z
UID:40787-1763199000-1763218800@iafi.org
SUMMARY:Barker Canyon Giant Cave Arch Rockshelter Field Trip - Sat. Nov. 15th
DESCRIPTION:Join Outing Coordinators Mark Amara\, Geologist and Gene Wing of the Lower Grand Coulee Chapter on Saturday November 15th for a 3-mile hike to visit the Barker Canyon Giant Cave Arch Rock Shelter Ice Age Floods Feature in the Upper Grand Coulee\n \n\n\nDate: Saturday November 15th\, 2025\nStart time: 9:30 am\nMeeting Place: We will meet at the Dry Falls Visitors Center parking lot at 35661 Hwy 17 North\, Coulee City\, 99115 and plan to leave at 9:30 AM sharp and drive to Barker Canyon \n\nDRIVING DIRECTIONS:       \n\n\n\nPlease see the attached map or coordinates of the Rock Shelter are: 119.193029 degrees Latitude – 47.89900 degrees Longitude \n\n\nFees: A Discover Pass is required\nWhat to bring: Lunch\, drinks\, snacks\, appropriate clothing and footwear\, camera\, etc.\n\n[integrate_google_drive id=”2″]
URL:https://iafi.org/event/barker-canyon-giant-cave-arch-rockshelter-field-trip-sat-nov-15th/
LOCATION:Dry Falls Visitor Center\, 35661 HWY 17 North\, Coulee City\, WA\, United States
CATEGORIES:Field Trip,Grand Coulee
ATTACH;FMTTYPE=image/png:https://iafi.org/wp-content/uploads/Barker-Canyon-Giant-Cave-Arch-Rockshelter.png
ORGANIZER;CN="Lower Grand Coulee Chapter":MAILTO:grandcoulee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251117T190000
DTEND;TZID=America/Los_Angeles:20251117T203000
DTSTAMP:20260403T112548
CREATED:20251027T023810Z
LAST-MODIFIED:20251027T154548Z
UID:40899-1763406000-1763411400@iafi.org
SUMMARY:Puget Lobe Lecture: Jeff Tepper on the Initiation of the Cascade Arc
DESCRIPTION:  \n  \n            Dr. Jeff Tepper\nThe Cascade volcanic chain\, the world’s youngest continental arc\, was “born” shortly after accretion of the  Siletzia oceanic terrane ~50 My ago.   That collision\, which led to formation of the Olympics\, terminated the  earlier subduction system and caused a portion of the subducting Farallon slab to break off.  When Cascade  magmatism began less than 5 My later\, there was a new trench located outboard of Siletzia.  In this talk I will  present a new model\, based on petrology\, geochronology\, plate motion reconstructions\, and mantle tomography\,  that explains how subduction was initiated so quickly and in a setting where the slab was young and hot and in  theory too buoyant to subduct.  \n 
URL:https://iafi.org/event/puget-lobe-lecture-jeff-tepper-on-the-initiation-of-the-cascade-arc/
LOCATION:Bellevue College Building T Room 117\, 3000 Landerholm Cir SE\, Bellevue\, WA\, 98007\, United States
CATEGORIES:Lecture,Meeting,Puget Lobe
ORGANIZER;CN="Puget Lobe Chapter":MAILTO:pugetlobe@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251209T190000
DTEND;TZID=America/Los_Angeles:20251209T203000
DTSTAMP:20260403T112548
CREATED:20251126T050721Z
LAST-MODIFIED:20251126T050721Z
UID:41021-1765306800-1765312200@iafi.org
SUMMARY:Foster Creek and Foster Coulee: Insights on Ice Age Floods\, Glaciers\, and Lakes on the Waterville Plateau\, WA
DESCRIPTION:The Wenatchee Valley Erratics Chapter of the Ice Age Floods Institute will meet Tuesday\, December 9 at 7:00 PM\, at the Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee. Or via Zoom link: https://us02web.zoom.us/j/81855547958  Meeting ID: 818 5554 7958 \nKarl Lillquist will give our final live\, and Zoom\, presentation for 2025. Karl is a physical geographer\, who taught at Central Washington University until his retirement in summer of 2024. He will talk about “Foster Creek and Foster Coulee: Insights on Ice Age Floods\, Glaciers\, and Lakes on the Waterville Plateau\, WA.” \nPlease note! The Wenatchee Valley Erratics now has its own website: https://wverratics.org/ !
URL:https://iafi.org/event/foster-creek-and-foster-coulee-insights-on-ice-age-floods-glaciers-and-lakes-on-the-waterville-plateau-wa/
LOCATION:Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee\, WA\, United States
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/DSC03152-2017-3-26-Karl-Lillquist-in-Frenchman-Coulee-smr.jpg
ORGANIZER;CN="WENATCHEE VALLEY ERRATICS CHAPTER":MAILTO:wenatchee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20251210T130000
DTEND;TZID=America/Los_Angeles:20251210T140000
DTSTAMP:20260403T112548
CREATED:20251105T043450Z
LAST-MODIFIED:20251105T044707Z
UID:40952-1765371600-1765375200@iafi.org
SUMMARY:Mystery of the Channeled Scablands and the Two Detectives who Solved it.
DESCRIPTION:    The unique landscape of the Channeled Scablands was a mystery that baffled the first geologists who visited them over 100 years ago. Finding clues\, they unraveled the mystery that was unbelievable to their colleagues. After more than two decades of discovering more clues\, the theory that enormous floods had carved the scabland was finally accepted by most of the scientific community.  \nLloyd Stoess\, President of the Palouse Falls Chapter\, will take you on a journey following these two early detectives and the clues they found as well as what today’s detectives and the modern tools they are using to better understand our incredible landscape.
URL:https://iafi.org/event/mystery-of-the-channeled-scablands-and-the-two-detectives-who-solved-it/
LOCATION:Pomeroy Senior Center\, 695 Main St.\, Pomeroy\, WA\, United States
CATEGORIES:All IAFI,Palouse Falls,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Bjornstad-MosesCoulee-3DevilsCataract.jpg
ORGANIZER;CN="Palouse Falls Chapter":MAILTO:palousefalls@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260106T183000
DTEND;TZID=America/Los_Angeles:20260106T200000
DTSTAMP:20260403T112548
CREATED:20251230T015531Z
LAST-MODIFIED:20251230T015531Z
UID:41190-1767724200-1767729600@iafi.org
SUMMARY:An Introduction to the Missoula Floods
DESCRIPTION:Dr. Gary Ford\, president of the Ice Age Floods Institute\, will provide an introductory presentation of the Missoula Floods and reveal ho repeated\, cataclysmic floods during the last Ice Age carved a dramatic landscape through much of the Pacific Northwest. \nEvent: IAFI Lake Lewis January Member Meeting and Guest Lecture “An Introduction to the Missoula Floods” By Gary Ford\nDate: January 6\, 2026\nTime: Members Meeting: 6:30PM-7:00PM\, Lecture: 7:00PM – 8:00PM (PST)\n \nJoin Zoom Meeting\nhttps://us06web.zoom.us/j/87852702318?pwd=Ye0a71u5MbQUtry9qp6u2qSw79dqIa.1 \nMeeting ID: 878 5270 2318\nPasscode: 634508
URL:https://iafi.org/event/an-introduction-to-the-missoula-floods/
LOCATION:Zoom Meeting
CATEGORIES:Lake Lewis,Presentation
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/Gary-Ford-erratic-Crop.jpg
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260210T180000
DTEND;TZID=America/Los_Angeles:20260210T200000
DTSTAMP:20260403T112548
CREATED:20260210T171712Z
LAST-MODIFIED:20260210T171712Z
UID:41614-1770746400-1770753600@iafi.org
SUMMARY:Bill Burgel - Geology in the Growth of the Railroad Industry
DESCRIPTION:Bill Burgel will give a presentation on the Synergy between the development of the science of Geology with the growth of the railroad industry with a short description of how it impacted BNSF’s Cascade Tunnel’s ventilation system. \nThe advent of the Industrial Revolution accelerated the development of the science of geology\, and the growth of the railroad industry closely followed. A quick look at both of these disciplines over the past 200 years reveals a fascinating back and forth which resulted in amazing advances for both. \nFor instance\, geologists found the coal and then the railroads transported this coal to locations where people worked and lived. And coal mines virtually dictated where the rail line should be built. Comparisons between the two efforts continue to the present day and Bill will outline some of the current challenges. \n  \nIn 1995\, Bill was heavily involved in the installation of a new ventilation system for BNSF’s Cascade Tunnel. Ventilation of the tunnel has been an issue since the first Cascade Tunnel opened in 1900. Bill will describe how BNSF ensures safe operations in the current (second) Cascade Tunnel\, the longest railroad tunnel in the United States. \nBill Burgel is a Professional Geologist Registered in Oregon and Idaho. He retired in 2015 after a successful 45-year career in the railroad industry. He worked for several railroads nationwide in both the engineering and operating departments. While working for the railroad\, his interest and training in geology was often called upon to resolve landslide issues and rerouting studies\, implement early earthquake warning strategies\, and conduct numerous long railroad tunnel analyses. Bill has given numerous presentations on rail issues as well as earthquake preparedness and topics pertaining to regional geology to local audiences throughout the Pacific Northwest and on cruise ships.
URL:https://iafi.org/event/bill-burgel-geology-in-the-growth-of-the-railroad-industry/
LOCATION:Wenatchee Valley Museum and Cultural Center\, 127 S. Mission\, Wenatchee\, WA\, United States
CATEGORIES:Presentation,Wenatchee
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/250px-Cascade_Tunnel1.jpg
ORGANIZER;CN="WENATCHEE VALLEY ERRATICS CHAPTER":MAILTO:wenatchee@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260220T190000
DTEND;TZID=America/Los_Angeles:20260220T200000
DTSTAMP:20260403T112548
CREATED:20260207T213841Z
LAST-MODIFIED:20260207T213841Z
UID:41584-1771614000-1771617600@iafi.org
SUMMARY:Cabin Fever Lecture! Glacial Ice History in Mission Valley and Vicinity
DESCRIPTION:Skye Cooley\nIt’s that time of the year! Time to contemplate ice-ages and glacial lakes. Time for the Glacial Lake Missoula Chapter of the Ice Age Floods Institute’s Cabin Fever Lecture!  Warm up your curiosity about glacial ice history in the Mission Valley with geologist Skye Cooley. \nAbout the Instructor: Skye Cooley is a Montana-based field geologist and geomorphologist specializing in quaternary geology\, paleosols (ancient soils)\, and GIS mapping\, currently focused on the Mission Valley. Based in Ronan\, MT\, he has a diverse background including contract mapping for the Idaho Geological Survey\, teaching at Boise State\, and serving as a soil scientist. \nDate: Friday\, February 20\nTime: 7:00 – 8:00 p.m.\nLocation: Montana Natural History Center\nCost: Free\, but please register. Donations accepted to cover the time of the MNHC personnel and meeting room. \nREGISTER HERE!
URL:https://iafi.org/event/cabin-fever-lecture-glacial-ice-history-in-mission-valley-and-vicinity/
LOCATION:Montana Natural History Center\, 120 Hickory Street\, Missoula\, MT
CATEGORIES:Lecture,Missoula
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260301T130000
DTEND;TZID=America/Los_Angeles:20260301T143000
DTSTAMP:20260403T112548
CREATED:20260227T073821Z
LAST-MODIFIED:20260227T074409Z
UID:41786-1772370000-1772375400@iafi.org
SUMMARY:Nick Zentner Pop-up Geology
DESCRIPTION:XLentCOOL happenings…\, a Rockstar \, geologist\, Nick Zentner\, Nick on the Rocks | PBS\, Science Outreach and Education Coordinator\, Central Washington University\, has announced a Pop-Up Geology program at 1pm on Sunday March 1st at Dry Falls Visitor Center. Folks are encouraged to bring a folding chair to enjoy a short lecture about Ice Age Flood Geology and learn about the unique features found at Dry Falls Heritage Area! \nOr watch it on YouTube – Pop-Up Geology this Sunday\, March 1\, 2026 at 1:00 pm! – YouTube \nThe last time Nick Zentner did a Pop-Up Geology event was on Sunday December 31st\, 2023 (New Year’s Eve). With only 48 hours’ notice\, we spontaneously had over 80 people arrive and enjoy the afternoon!  Some folks traveled as far as Portland\, OR for a chance to see Nick in person. Nick on the Rocks | Dry Falls | Season 1 | Episode 6 | PBS \nThe Dry Falls Visitor Center will be OPEN for the day. Interpretive Staff will be available for questions and information. We have been busy packing to move for the BIG renovation/rehabilitation project\, starting this Spring 2026. \n  \n  \n 
URL:https://iafi.org/event/nick-zentner-pop-up-geology/
LOCATION:Dry Falls Visitor Center\, 35661 HWY 17 North\, Coulee City\, WA\, United States
CATEGORIES:Education,Entertainment,Grand Coulee,Lecture
ATTACH;FMTTYPE=image/jpeg:https://iafi.org/wp-content/uploads/zPortrait-Nick-Zentner-e1455151472322-150x126-1.jpg
ORGANIZER;CN="WA State Parks%2C Dry Falls Visitor Center":MAILTO:David.McWalter@parks.wa.gov
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260302T190000
DTEND;TZID=America/Los_Angeles:20260302T203000
DTSTAMP:20260403T112548
CREATED:20260217T212735Z
LAST-MODIFIED:20260218T221425Z
UID:41157-1772478000-1772483400@iafi.org
SUMMARY:Puget Lobe Lecture: Getting a Feel for Ice Sheet Hydrology and Channeled Scabland Geomorphology
DESCRIPTION:            Dr. Joel Gombiner\nJoel Gombiner\, Washington Geological Survey\, “Getting a feel for ice sheet hydrology + Channeled Scabland geomorphology” \nThis presentation connects modern observations of ice sheet hydrology\, the geomorphology of the Channeled Scabland\, and recent publications on Washington’s Ice Age floods. The presentation consists of three parts: (1) an explanation of a new lidar-based\, semi-realistic oblique visualization and interpretive poster of Dry Falls (released 2025 by WGS); (2) an intuitive overview of ice sheet hydrology with visits to Greenland\, Iceland\, and Antarctica; (3) an update on recent Channeled Scabland science including evidence for subglacial tunnel channel floods from the Okanogan lobe and refined estimates of Missoula flood magnitudes.  \nThe in-person meeting will be held at Bellevue College T building Room 118 on Monday\, March 2\, 2026 at 7:00 PM.\nThe live presentation will also be available on Zoom. Click this link shortly before the meeting begins: https://us02web.zoom.us/j/82985244730
URL:https://iafi.org/event/puget-lobe-lecture-the-bonneville-flood-the-other-flood/
LOCATION:Bellevue College Building T Room 117\, 3000 Landerholm Cir SE\, Bellevue\, WA\, 98007\, United States
CATEGORIES:Lecture,Puget Lobe
ORGANIZER;CN="Puget Lobe Chapter":MAILTO:pugetlobe@iafi.org
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/Los_Angeles:20260303T184500
DTEND;TZID=America/Los_Angeles:20260303T200000
DTSTAMP:20260403T112548
CREATED:20260214T014239Z
LAST-MODIFIED:20260221T040802Z
UID:41681-1772563500-1772568000@iafi.org
SUMMARY:The Missoula Floods and the SVRP Aquifer
DESCRIPTION:The Lake Lewis chapter of the Ice Age Floods Institute will host a free Zoom lecture exploring the dramatic creation of the Spokane Valley – Rathdrum Prairie (SVRP) Aquifer! As part of our 2026 public lecture series exploring key features along the path of the Missoula Floods\, we’ll investigate the vast and vital groundwater system that continues to supply water to hundreds of thousands of people. We’ll explore the impact of the ancient floods on the creation of the SVRP and some of the unique qualities of this important resource. \nThis event is free to attend. You can also join and/or donate to IAFI through https://iafi.org/join-iafi/ or donate to the IAFI K-12 Education Grant Program through https://www.zeffy.com/en-US/donation-form/donate-to-iafi-k-12-education-grant-program. \nThe Zoom meeting details are below: \nJoin Zoom Meeting:\nhttps://us06web.zoom.us/j/86098163242?pwd=mtywXwg321VtUNvAogFYx5xnK8aF13.1 \nMeeting ID: 860 9816 3242\nPasscode: 488690
URL:https://iafi.org/event/the-missoula-floods-and-the-svrp-aquifer/
LOCATION:Zoom Meeting
CATEGORIES:Activity,Education,Lake Lewis,Lecture,Meeting
ORGANIZER;CN="Lake Lewis Chapter":MAILTO:lakelewis@iafi.org
END:VEVENT
END:VCALENDAR