California is known for earthquakes, but did you know we are also home to eight active volcanoes and more than 500 volcanic vents? What is the likelihood of a volcano erupting in California? In this week’s Inside Look, we talk to the people monitoring California’s volcanoes.
Cal OES Earthquake, Tsunami & Volcano Programs
USGS California Volcano Observatory
List and map of volcanoes in California
USGS Volcano Hazards Program
Learn about U.S. Volcanoes
Resources for Educators
Volcano Frequently Asked Questions
U.S. Volcano List
How Volcanoes Work
Site is sponsored by NASA under the auspices of Project ALERT (
Augmented Learning Environment and Renewable Teaching).
Fact Sheets & Posters
USGS Volcano Hazards Program Fact Sheets & Posters
Key Facts about Preparing for a Volcano Eruption
Volcano Eruption Fact Sheet … continue reading »
This image illustrates the immense power of a volcano. Taken from the International Space Station while orbiting above the Kuril Islands.
The state’s leading experts in volcanology and volcanic dangers in California met to discuss the next big bang.
According to USGS, a volcanic eruption occurs in California about as often as the San Andreas Fault Zone has a large-scale earthquake, which is about 10 times in the last 1000 years. Experts from the
California Governor’s Office of Emergency Services, USGS’s California Volcano Observatory and the California Geological Survey created the first Volcano Hazard Annex to the State Emergency Plan.
The meeting occurred at Cal OES’s headquarters near Sacramento, on Feb. 12, 2013, and the stakeholders identified state and federal assets that would …
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