Useful Geology Links
Learn More about the Science
- May 18, 1980 eruption
- 1980-1986 Dome Building Eruptions and 1989-2001 Hydrothermal Explosion
- 2004-2008 Dome Building Eruption
- Mount St. Helens Glaciers
- Roadside Geology of Mount St. Helens and Vicinity [Part 1, 28 MB; Part 2, 28 MB]
- Volcanic Processes (Landslides, Lahars, Pyroclastic flows and Ash Eruptions)
Monitoring Instrumentation Deployed at Mount St. Helens
- USGS Mount St. Helens Monitoring Network
- List of Recent Mount St. Helens Earthquakes (PNSN)
- Real Time Earthquake Seismograms Recorded by PNSN
- Plate Boundary Observatory/UNAVCO Monitoring Network
Track Geologic Hazards as they happen
Volcanic Activity
- Susbcribe to the USGS Volcano Notification Service to receive alerts about changes in activity at US volcanoes
- View the current activity at US volcanoes
- Keep up to date with world volcanoes with the Weekly Volcanic Activity Report from the Global Volcanism Program
- Track airborne volcanic ash around the world via the world’s Volcanic Ash Advisory Centers
Earthquakes
- Track earthquakes in Washington and Oregon via the Pacific Northwest Seismic Network
- Track earthquakes around the world via the USGS
- If you feel an earthquake, scientists want to know! Report it here
Tsunamis
Learn how to prepare:
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- Volcanoes via the USGS Cascades Volcano Observatory
- Volcanoes via the Washington State Department of Health
Earthquakes via ready.gov
- Earthquakes via dropcoverholdon.org
- Tsunamis via State of Oregon Department of Geology and Mineral Industries
- Tsunamis via Washington Department of Natural Resources
Browse Maps
- Other hazard maps of US volcanoes via the USGS
- Earthquakes hazard maps in Washington via the Washington Department of Natural Resources
- Earthquake hazard maps in Oregon via the Oregon Department of Geology and Mineral Industries
- Interactive World Map of Volcanoes, Earthquakes, Impact Craters, and Plate Tectonics via the Global Volcanism Program
Geological Research at Mount St. Helens
- Mount St. Helens Bibliography of Geoscience Literature, 1882–1986 [Indexed by Subject 24 MB; Indexed by Author 26 MB]
