California Volcano Observatory

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As a part of the U.S. Geological Survey's Volcano Hazards Program, the California Volcano Observatory aims to advance scientific understanding of volcanic processes and lessen the harmful impacts of volcanic activity in the volcanically active areas of California and Nevada. 


News

Date published: April 20, 2021

New survey plumbs Mono Lake's depths for hydrothermal heat

It is very hot below the cold waters of Mono Lake, which hosts one of the youngest volcano complexes in the United States.

Date published: April 6, 2021

New electron microprobe installed at Menlo Park

On March 25th, the USGS California Volcano Observatory celebrated the delivery of a new 'baby' - our brand new electron microprobe is finally up and running!

Date published: November 2, 2020

New Geo-Narrative explores California’s exposure to volcanic hazards

The first step in mitigating volcanic risk and building community resilience to volcanic hazards is identifying what and who is in harm’s way.

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