California Volcano Observatory

Home

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: June 4, 2021

Gas sampling at Mount Shasta builds a long-term record of volcanic emissions

One of the three main ways that California Volcano Observatory scientists monitor the state’s threatening volcanoes is by sampling the gases that are released from magma deep below (in addition to monitoring seismicity and deformation).

Date published: May 12, 2021

Christina Neal to Lead USGS Volcano Science Center

ANCHORAGE, Alaska — On May 9, 2021, Christina (Tina) Neal became the new director of the U.S. Geological Survey Volcano Science Center, home of the Alaska, California, Cascades, Hawaiian and Yellowstone volcano observatories.  

Find a U.S. Volcano