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: March 25, 2021

Series of Virtual Talks Focuses on Mount St. Helens and Volcano Monitoring

The USGS Cascades Volcano Observatory joins the Whidbey Reads program to offer virtual talks about Mount St. Helens' May 18, 1980 eruption, and how the volcano has shaped the study of volcanoes and volcano monitoring.

Date published: March 2, 2021

Short-lived burst of earthquakes occur at Mount Hood, March 1, 2021

Burst-like swarms commonly interpreted to be caused by movement of hydrothermal fluids (water).

Date published: February 18, 2021

Brief earthquake swarm detected beneath Mount Rainier

While the seismicity represents a temporary uptick in activity, Mount Rainier remains at normal, background levels of activity.

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