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Volcano Monitoring at California Volcano Observatory

CalVO monitors volcanoes in California with GPS sensors, tiltmeters, strainmeters, and satellite imagery.
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Volcano Monitoring at California Volcano Observatory

CalVO monitors volcanoes in California with GPS sensors, tiltmeters, strainmeters, and satellite imagery.
Learn More

California has active and hazardous volcanoes

Threat rankings issued by the U.S. Geological Survey (USGS) for California identify fifteen volcanic centers of Low-, Moderate-, High-, or Very High Threat.
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California has active and hazardous volcanoes

Threat rankings issued by the U.S. Geological Survey (USGS) for California identify fifteen volcanic centers of Low-, Moderate-, High-, or Very High Threat.
Learn More

Deformation Monitoring at California Volcanoes is Collaborative

CalVO monitors volcanoes in California with GPS sensors, tiltmeters, strainmeters, and satellite imagery.
link

Deformation Monitoring at California Volcanoes is Collaborative

CalVO monitors volcanoes in California with GPS sensors, tiltmeters, strainmeters, and satellite imagery.
Learn More