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 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.

Date published: January 25, 2021

A Geophysicist's Perspective on Mount Hood Monitoring Stations and the Recent Earthquake Swarm

A CVO geophysicist discusses how the monitoring stations installed at Mount Hood in 2020 provide insight into the recent Mount Hood earthquake swarm.

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