Cascades Volcano Observatory
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The U.S. Geological Survey's Cascades Volcano Observatory strives to serve the national interest by helping people to live knowledgeably and safely with volcanoes in WA, OR, and ID.
News
Date published: June 23, 2021
New Scanning DOAS Installed at Mount St. Helens
The combination of a continuous MultiGAS station within Mount St. Helens' crater and the new scanning DOAS represents state-of-the-art in geochemical monitoring.
Attribution: Cascades Volcano Observatory, Mount St. Helens
Date published: June 22, 2021
Media Advisory: Mount St. Helens Revisited - Live Online Public Lecture
You are invited to a public lecture about the 1980 Mount St. Helens eruptions.
Date published: June 11, 2021
Mount Hood's June 5, 2021 Earthquake
Normal faulting? No change in volcanic hazard? Cascades Volcano Observatory geophysicists describe how they interpret earthquake data using the June 5, 2021 Magnitude 3.9 earthquake at Mount Hood as an example.
Attribution: Cascades Volcano Observatory, Mount Hood