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3 Nov 2025
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Rescheduled! Fire and Water: Geohydrology of the Central Oregon Cascades
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|
28 Oct 2025
|
Ocean drilling: Realizing the foundation of ocean lithosphere and the mantle
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|
13 Oct 2025
|
Fire and Water: Geohydrology of the Central Oregon Cascades
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|
23 Sep 2025
|
A common fate to all silicic eruptions?
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|
25 Aug 2025
|
Tumalo Fault Geo-Exploration
|
|
23 Jun 2025
|
Juniper Hills Preserve Field Trip
|
|
20 Jun 2025
|
COGS Picnic Social - 2025
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|
6 Jun 2025
|
Hampton Station area Mega-Fauna Rub Field Trip
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|
27 May 2025
|
Geologic carbon storage possibilities in the Pacific Northwest
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|
10 May 2025
|
Cascades Volcano Observatory Open House
|
|
27 Apr 2025
|
Willow Creek Field Trip, Second Session
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|
26 Apr 2025
|
Willow Creek Field Trip
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|
22 Apr 2025
|
Cascadia Earthquakes and Other Disasters: Are We Ready?
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|
12 Apr 2025
|
Barnes Butte Geo-Exploration
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|
29 Mar 2025
|
Hollywood Road Geo-Exploration, Second Session Reschedule
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|
25 Mar 2025
|
Interdisciplinary volcanology: Combining geochronology and geophysics at the Three Sisters volcanic complex
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|
22 Mar 2025
|
Hollywood Road Geo-Exploration
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25 Feb 2025
|
How forests grow their own pot: Quantifying the role of trees as wind-wiggling, tap-dancing, and crowbar-wielding architects and builders
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20 Feb 2025
|
Exploration of the Columbia Gorge Field Trip - External Event by COCC
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|
28 Jan 2025
|
Eruptive History of Three Fingered Jack, a Mafic Composite Cone in the Central High Cascades of Oregon
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|
26 Nov 2024
|
The Changing Skyline: Photo Documentation of 100 Years of Landscape Change in the Central Oregon Cascade Range
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|
22 Oct 2024
|
Cascade Volcanoes: Past, Present, and Preparing for the Future
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|
18 Oct 2024
|
Geo-Exploration: Head of the Metolius & Mile 29 Debris Flow
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|
10 Oct 2024
|
Geology of Oregon's High Desert
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|
24 Sep 2024
|
Was the 1700 Cascadia earthquake one or many ruptures?
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|
13 Sep 2024
|
Alder Springs Geo-Exploration
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|
1 Sep 2024
|
Citizen science opportunity - basaltic andesite sample collection
|
|
5 Aug 2024
|
Cascades24: An examination of magmatism from the perspective of the Cascade Arc system
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14 Jul 2024
|
Geology of Mount Bachelor and the Three Sisters Area
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|
10 Jul 2024
|
On Basaltic Andesites: The Dominant Lava Type of the Central Oregon High Cascades
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|
7 Jul 2024
|
Three Fingered Jack Field Trip
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9 Jun 2024
|
COGS Picnic Social
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|
8 Jun 2024
|
Field Trip: Volcanic Deposits in the Bend and Tumalo Area
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5 Jun 2024
|
Wildcat Caldera Field Trip
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28 May 2024
|
From the Last Glacial Maximum to Present: New Chronologies for Oregon’s Cascade Ice Cap and Glaciers
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10 May 2024
|
Nick Zentner Presents: Geological Society of the Oregon Country Monthly Lectures
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|
23 Apr 2024
|
Extensional Evolution of the Horse Range, Eastern Nevada
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|
18 Apr 2024
|
Tracing Geological History Through Rocks and Minerals in Oregon's Desert
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|
12 Apr 2024
|
Geological Society of the Oregon Country Monthly Lectures
|
|
2 Apr 2024
|
Webcast: Geology and Natural History of the John Day River Basin
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|
26 Mar 2024
|
Sediment-Hosted Lithium Deposits at McDermitt Caldera: Oregon’s Critical Mineral Capital
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|
19 Mar 2024
|
Second Session Added: Hydromagmatic Pinnacles of the Steelhead Falls Area Geo-Exploration
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|
15 Mar 2024
|
Oregon Origins Project IV: Convergence
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|
14 Mar 2024
|
Hydromagmatic Pinnacles of the Steelhead Falls Area Geo-Exploration
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1 Mar 2024
|
Oregon Society of Soil Scientists Annual Meeting
|
|
27 Feb 2024
|
How, Why and Where Earth Melts
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|
24 Feb 2024
|
Ben Millers Stand-Up Science Hosted by Liam Gibler
|
|
13 Feb 2024
|
AWG-PNW Monthly Meeting
|
|
9 Feb 2024
|
Geological Society of the Oregon Country Monthly Lectures
|
|
25 Jan 2024
|
USGS Public Lecture Series
|
|
23 Jan 2024
|
Onset and impacts of the c.7700 ybp eruption of Mount Mazama, Oregon
|
|
12 Jan 2024
|
Geological Society of the Oregon Country Monthly Lectures
|
|
28 Nov 2023
|
Hydrology of High-Desert Springs in Eastern Oregon
|
|
12 Nov 2023
|
Second Sesson Added: Fryrear Canyon Geo-Exploration II
|
|
5 Nov 2023
|
Fryrear Canyon Geo-Exploration
|
|
24 Oct 2023
|
Sunstones: The Good, The Bad, & The Ugly (in other words, the complex petrogenesis of our state gemstone)
|
|
19 Oct 2023
|
Oregon Origins Project II: Seven Wonders
|
|
26 Sep 2023
|
Live Tour of the JOIDES Resolution
|
|
22 Sep 2023
|
Henkle Butte & Aspen Hollow Geo-Exploration
|
|
14 Sep 2023
|
Geology of Oregon's High Desert
|
|
22 Aug 2023
|
Tour Deschutes (River) Geohydrology Field Trip
|
|
23 Jul 2023
|
Deschutes Formation Field Trip
|
|
17 Jul 2023
|
Two Cascades Field Trip
|
|
2 Jul 2023
|
AWG-PNW Chapter Field Trip Mount St. Helens: Then to Now
|
|
24 Jun 2023
|
Geohydrology of Siver Creek Field Trip, Harney Basin
|
|
9 Jun 2023
|
Columbia Gorge Field Trip
|
|
3 Jun 2023
|
Springs to Sprouts Field Trip
|
|
2 Jun 2023
|
COCC Field Geology - Geology 169: Exploration of the Pacific Northwest
|
|
24 May 2023
|
Smith Rock Geo-Exploration
|
|
23 May 2023
|
Looking down to look ahead: How Oregon’s fossil rodents can help us understand the impacts of past and future climate change
|
|
19 May 2023
|
Oregon Origins Project II: Seven Wonders
|
|
5 May 2023
|
14th Annual Bretz Club Conference & Field Trip:
|
|
27 Apr 2023
|
USGS Public Lecture Series
|
|
26 Apr 2023
|
Session 2: Riley Ranch Field Trip
|
|
25 Apr 2023
|
In the Shadow of Volcanoes
|
|
21 Apr 2023
|
Riley Ranch Field Trip
|
|
14 Apr 2023
|
Geological Society of the Oregon Country Monthly Lectures
|
|
6 Apr 2023
|
UO for Humanity: Earthquake in Turkey & Syria
|
|
31 Mar 2023
|
Session 2: COGS Geo-Exploration: Barnes Butte, Prineville, OR
|
|
31 Mar 2023
|
COGS Geo-Exploration: Barnes Butte, Prineville, OR
|
|
30 Mar 2023
|
USGS Public Lecture Series
|
|
28 Mar 2023
|
The Most Recent Earthquake on the Mount Hood Fault Zone, Oregon: Implications for cascading earthquake, landslide, & flood multi-hazards in the Columbia River Gorge
|
|
23 Mar 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
21 Mar 2023
|
Northwest Scientific Association Conference
|
|
16 Mar 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
15 Mar 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
14 Mar 2023
|
Northwest Geological Society Speaker Program
|
|
12 Mar 2023
|
Steelhead Falls Geo-Exploration - Session 2
|
|
11 Mar 2023
|
Steelhead Falls Geo-Exploration
|
|
10 Mar 2023
|
Geological Society of the Oregon Country Monthly Lectures
|
|
9 Mar 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
9 Mar 2023
|
University of Oregon Earth Science Seminars
|
|
8 Mar 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
3 Mar 2023
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
2 Mar 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
1 Mar 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
28 Feb 2023
|
Ancient Soils of Earth and Mars
|
|
24 Feb 2023
|
Oregon State University College of Earth, Ocean, and Atmospheric Sciences Seminars and Lectures
|
|
24 Feb 2023
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
23 Feb 2023
|
USGS Public Lecture Series
|
|
23 Feb 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
23 Feb 2023
|
Central Oregon Community College Field Geology - Geology 169: Exploration of the Pacific Northwest
|
|
22 Feb 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
16 Feb 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
16 Feb 2023
|
University of Oregon Earth Science Seminars
|
|
15 Feb 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
15 Feb 2023
|
USGS Earthquake Science Center Seminars
|
|
14 Feb 2023
|
Northwest Geological Society Speaker Program
|
|
10 Feb 2023
|
Geological Society of the Oregon Country Monthly Lectures
|
|
10 Feb 2023
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
9 Feb 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
9 Feb 2023
|
University of Oregon Earth Science Seminars
|
|
8 Feb 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
2 Feb 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
1 Feb 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
27 Jan 2023
|
Big Blue Film Fest
|
|
26 Jan 2023
|
Deschutes River Conservancy - Raise the Deschutes Seminar Series
|
|
26 Jan 2023
|
USGS Public Lecture Series
|
|
26 Jan 2023
|
Oregon State University College of Earth, Ocean, and Atmospheric Sciences Seminars and Lectures
|
|
26 Jan 2023
|
Oregon State University Hatfield Marine Science Center Research Seminars
|
|
26 Jan 2023
|
University of Oregon Earth Science Seminars
|
|
25 Jan 2023
|
Oregon State University College of Earth, Ocean, and Atmospheric Sciences Seminars and Lectures
|
|
25 Jan 2023
|
Oregon State University College of Earth, Ocean, and Atmospheric Sciences Seminars and Lectures
|
|
25 Jan 2023
|
Oregon State University Water Resources Engineering Seminar Series
|
|
24 Jan 2023
|
The ancient magnetic field: Clues hidden in lava flows from around the world
|
|
24 Jan 2023
|
Oregon State University College of Earth, Ocean, and Atmospheric Sciences Seminars and Lectures
|
|
20 Jan 2023
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
13 Jan 2023
|
Geological Society of the Oregon Country Monthly Lectures
|
|
11 Jan 2023
|
USGS Earthquake Science Center Seminars
|
|
9 Jan 2023
|
High Desert Museum Natural History Pub: Volcanoes of Central Oregon
|
|
4 Jan 2023
|
USGS Earthquake Science Center Seminars
|
|
10 Dec 2022
|
Timefulness: How thinking like a geologist can help save the world
|
|
7 Dec 2022
|
Portland State University Geology Seminar Series
|
|
7 Dec 2022
|
USGS Earthquake Science Center Seminars
|
|
2 Dec 2022
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
30 Nov 2022
|
Oregon State University Water Resources Policy & Management Seminar Series
|
|
30 Nov 2022
|
University of Oregon Earth Science Seminars
|
|
30 Nov 2022
|
Portland State University Geology Seminar Series
|
|
30 Nov 2022
|
USGS Earthquake Science Center Seminars
|
|
23 Nov 2022
|
Oregon State University Water Resources Policy & Management Seminar Series
|
|
22 Nov 2022
|
The development of the science of geology and the growth of the railroad industry: How geology played a significant role in railroads of the Pacific Northwest
|
|
18 Nov 2022
|
Central Washington University Department of Geological Sciences Speaker Series
|
|
17 Nov 2022
|
USGS Public Lecture Series
|
|
16 Nov 2022
|
University of Oregon Earth Science Seminars
|
|
16 Nov 2022
|
Oregon State University Water Resources Policy & Management Seminar Series
|
|
16 Nov 2022
|
Portland State University Geology Seminar Series
|
|
16 Nov 2022
|
USGS Earthquake Science Center Seminars
|
|
9 Nov 2022
|
Oregon State University Water Resources Policy & Management Seminar Series
|
|
9 Nov 2022
|
University of Oregon Earth Science Seminars
|
|
9 Nov 2022
|
Portland State University Geology Seminar Series
|
|
9 Nov 2022
|
USGS Earthquake Science Center Seminars
|
|
2 Nov 2022
|
What's under a volcano and how do we know?
|
|
26 Oct 2022
|
Mafic Volcanism!
|
|
25 Oct 2022
|
The Rock Bottom of Antarctica’s Food Chain
|
|
14 Oct 2022
|
GSOC Monthly Presentation: "Iron Dream" — The by-gone industrial age of Lake Oswego's pig iron-producing blast furnaces and the bog ore mines
|
|
14 Oct 2022
|
Oregon Lakes Association Conference
|
|
11 Oct 2022
|
NWGS Monthly Presentation: Surf ‘n’ Turf Earthquake Records in the Seattle Fault Zone
|
|
10 Oct 2022
|
Groundwater in Central Oregon: How It's All Connected
|
|
30 Sep 2022
|
Thomas Condon Paleontology Center tour and field work experience
|
|
27 Sep 2022
|
Paleoseismic investigations of Quaternary active faults in the forearc and backarc of the central Pacific Northwest
|
|
22 Sep 2022
|
Evidence of humans in North America during the Last Glacial Maximum
|
|
22 Sep 2022
|
Pacific Northwest Friends of the Pleistocene 2022
|
|
22 Sep 2022
|
Explore the Geology of Harney County
|
|
17 Sep 2022
|
Deschutes Formation and Tumalo Volcanic Center Field Trip
|
|
7 Sep 2022
|
OSSS Summer Field Meeting - Newberry Crater
|
|
24 Aug 2022
|
Melting Glaciers, Failing Dams: The 1966 Debris Flow from No Name Lake Field Trip
|
|
5 Aug 2022
|
Faults in the Strawberry Mountains
|
|
1 Aug 2022
|
Whychus Creek Geo-Exploration
|
|
29 Jul 2022
|
Tobacco Root Geological Society 47th Annual Field Conference
|
|
27 Jul 2022
|
Wake of the Floods: What Extreme Events of the Past Can Tell Us About Flood Impacts, Recovery, and Climate Change in Yellowstone
|
|
5 Jul 2022
|
Tsunami Science: The view from modeling and observations - Webinar
|
|
28 Jun 2022
|
Volcanoes! Travelogue and Science of Two Volcanic Arcs
|
|
26 Jun 2022
|
Lava Cast Forest Field Trip
|
|
14 Jun 2022
|
Fidalgo Ophiolite Revisited: A Late Jurassic ophiolitic basalt-argillite matrix mélange and JuraCretaceous stratigraphic overlap sequence, northwestern Washington
|
|
10 Jun 2022
|
The Cascade Volcanoes: A Living Laboratory for Geologic Exploration!
|
|
2 Jun 2022
|
Great Basin Natural History
|
|
24 May 2022
|
Encountering the Unexpected in Pacific Northwest Geology
|
|
17 May 2022
|
Disaster Preparedness in Volcano and Earthquake Country
|
|
13 May 2022
|
GSOC Presentation: Using Lasers to Peer Behind Cascadia’s Green Veil
|
|
13 May 2022
|
Disaster Preparedness in Volcano and Earthquake Country
|
|
4 May 2022
|
COGS Geo-Exploration: Gray Butte
|
|
26 Apr 2022
|
When Magmas Meet High-Tech Metals: What Can the Mountain Pass Rare Earth Element Deposit Bring to the Future?
|
|
16 Apr 2022
|
Relationships Between Elakha (Sea Otter) and a Sense of Place on Oregon’s South Coast – A conference honoring the life and legacy of Chief Don Ivy
|
|
8 Apr 2022
|
GSOC Presentation: Micro-Mineral Landscapes
|
|
8 Apr 2022
|
Bretz Club Conference: From Magma to Mud: Uplifting, Transporting, and Degrading Stories from Cascadia
|
|
7 Apr 2022
|
COGS Geo-Exploration: Barnes Butte, Prineville, OR
|
|
22 Mar 2022
|
Newberry Volcano Geothermal Projects, Past and Future
|
|
15 Mar 2022
|
ONDA Speaker Series: Small Splendors - Vast Landscapes
|
|
11 Mar 2022
|
GSOC Friday Night Lecture: Hidden Caldera Beneath the Harney Basin, and Volcano-Tectonic History of the Hood River Graben
|
|
8 Mar 2022
|
NWGS Monthly Presentation: Uplifted Pleistocene Estuarine Deposits, Southwestern Washington
|
|
24 Feb 2022
|
Oregon Society of Soil Scientists - Winter Meeting: Life in the Anthropocene
|
|
24 Feb 2022
|
Do Droughts Affect Groundwater Quality? A California Story
|
|
22 Feb 2022
|
From maar craters to cinder cones: Understanding Oregon's small, but most common, volcanoes
|
|
11 Feb 2022
|
GSOC Friday Night Lecture: Major Reorganization of the Snake River Modulated by Passage of the Yellowstone Hotspot
|
|
8 Feb 2022
|
NWGS Monthly Lecture: Glaciovolcanic caves in the Cascades
|
|
26 Jan 2022
|
Cascadia Earthquake Anniversary - 322 years!
|
|
25 Jan 2022
|
Wildfire and Debris Flows
|
|
14 Jan 2022
|
GSOC Friday Night Lecture: Progress Update on Seismic Resilience in Oregon & PNW
|
|
11 Jan 2022
|
Quaternary Geologic History of the South Puget Sound and Nisqually Reach Area
|
|
14 Dec 2021
|
NWGS Monthly Presentation: Eyewitness to an Exploding Volcano - Mt St. Helens
|
|
3 Dec 2021
|
COGS Geo-Exploration: Farewell Bend Loop
|
|
1 Dec 2021
|
COGS Geo-Exploration: Flatiron Rock in the Oregon Badlands
|
|
23 Nov 2021
|
Tectonic evolution of the Cascadia margin in southwest Oregon during the past 55 million years
|
|
18 Nov 2021
|
The Top 10 Misconceptions about Yellowstone Volcanism
|
|
2 Nov 2021
|
Climate Resilience in Central Oregon by Hal Wershow
|
|
26 Oct 2021
|
Evaluation of slip history and Holocene activity on faults in the Strawberry Mountains
|
|
28 Sep 2021
|
Timing and controls on growth of the Oregon Basin and Range Province
|
|
6 Aug 2021
|
Ochoco Mining District Field Trip by Carrie Gordon & Derek Loeb
|
|
28 Jul 2021
|
Deschutes River Geohydrology Field Trip
|
|
27 Jun 2021
|
COGS Field Trip: Fault Scarps of Mt. Hood (south side)
|
|
25 May 2021
|
I Date Rocks: A Geochronology Love Story
|
|
27 Apr 2021
|
Water in the Deschutes Basin: 2020 Hindsight – What Happened?
|
|
23 Mar 2021
|
The fragmented death of the Farallon Plate
|
|
23 Feb 2021
|
Our Vanishing Glaciers, Part II
|
|
26 Jan 2021
|
The Next Great Cascadia Earthquake - How did we get here?
|
|
24 Nov 2020
|
What lies under recently active Cascades volcanoes?
|
|
27 Oct 2020
|
Mapping the Magmatic Pathways Beneath Volcanoes from Newberry, Oregon to Santorini, Greece
|
|
22 Sep 2020
|
Red Rocks from Earth to Mars
|
|
25 Jun 2020
|
Extinction: Using catastrophic events to construct the geologic timeline
|
|
26 May 2020
|
The history and science of glacier change in the western US and a peek into their future
|
|
28 Apr 2020
|
Volcanoes in Our Backyard: Understanding and Mitigating Volcano Hazards in Central Oregon
|
|
27 Mar 2020
|
Monthly Tours of the OSU-Cascades Pumice Mine
|
|
24 Mar 2020
|
I Date Rocks: A Geochronology Love Story
|
|
25 Feb 2020
|
Mountains, Earthquakes, and Landslides: Using Lasers to Peer Behind Cascadia's Green Veil
|
|
28 Jan 2020
|
Three Newly Discovered Fault Systems in Oregon
|
|
26 Nov 2019
|
Oregon's Checkered Past
|
|
22 Oct 2019
|
The Other Flood: Ice-age Bonneville Flood on the Snake River
|
|
4 Oct 2019
|
Deschutes River Field Trip
|
|
24 Sep 2019
|
Tectonic History of the Coos Bay Basin and its Relationship to Pacific Northwest ‘Siletzia’ Tectonics
|
|
14 Sep 2019
|
Mount Hood Field Trip
|
|
10 Aug 2019
|
Newberry Volcano: A sleeping giant with two bubbling lakes
|
|
22 Jul 2019
|
Newberry Volcano Field Trip
|
|
13 Jul 2019
|
Wildcat Mountain Caldera Field Trip
|
|
28 Jun 2019
|
Fire and Water: Recent mafic volcanism of the central Oregon Cascades
|
|
28 May 2019
|
Holocene Glacial and Paleoclimate Reconstructions in the North Cascades, Washington
|
|
16 May 2019
|
Geology of the Scout Camp loop trail along the middle Deschutes River
|
|
27 Apr 2019
|
Geology of Shevlin Park
|
|
23 Apr 2019
|
A new look at “old” tuffs from Newberry Volcano: Evidence for dynamic magmatic processes at a geologic crossroads in central Oregon
|
|
26 Mar 2019
|
Kīlauea's 2018 Fissure Eruption – Chronology, Processes, and Impacts of Kilauea's Largest Eruption in 200 Years
|
|
26 Feb 2019
|
Mountains, Earthquakes, and Landslides: Using Lasers to Peer Behind Cascadia's Green Veil
|
|
22 Jan 2019
|
The High Lava Plains of Oregon: Volcanic and Tectonic Connection between Yellowstone and the Cascades
|
|
27 Nov 2018
|
Groundwater hydrology and groundwater-dependent ecosystems of central Oregon
|
|
3 Nov 2018
|
Hydrovolcanoes of Central Oregon Field Trip
|
|
23 Oct 2018
|
The Crooked River Caldera
|
|
23 Oct 2018
|
Crooked River Caldera Field Trip
|
|
25 Sep 2018
|
Assembling the Northwest: A roadside view of Oregon and Washington geology
|
|
23 Sep 2018
|
Mount Bachelor Volcanic Chain Field Trip
|
|
14 Sep 2018
|
Clarno Fossil Beds Field Trip
|
|
5 Aug 2018
|
Glacial Geomorphology of the Santiam Pass Area Field Trip
|
|
16 Jul 2018
|
Oregon's volcanoes: What have we learned from global advances in volcanology over the past decade?
|
|
14 Jul 2018
|
Lava Butte and Lava Lands Visitor Center
|
|
22 May 2018
|
Oblique subduction, rotating crustal blocks, and the active tectonics of the Pacific Northwest
|
|
10 May 2018
|
Deschutes Formation, Whychus Creek Geologic Field Trip
|
|
24 Apr 2018
|
Mount Hood: Confessions of an interesting Boring volcano
|
|
1 Apr 2018
|
Geology of Riley Ranch Nature Reserve Field Trip
|
|
27 Mar 2018
|
Geothermal Exploration at Newberry Volcano
|
