HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.7 magnitude quake occurred close to Petrolia ...

A magnitude 4.0 earthquake was reported Sunday afternoon at 3:30 p.m. three miles from Santa Rosa, according to the U.S.

KINGS COUNTY, CA - Monday morning, a preliminary 2.6 magnitude quake was registered near Kettleman City, according to the U.S ...

A preliminary 4.0-magnitude earthquake struck California’s Sonoma County on Sunday afternoon, according to the US Geological ...

Sonoma County was hit by three earthquakes within a little more than half an hour Sunday, the largest one having a ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

San Luis Obispo Mothers For Peace And The Advocated To Shut Down The Plant Due To Seismic Risks And Significant Harm To ...

Japan is learning what life is life under a megaquake watch. NPR's Rob Schmitz talks to Richard Allen, director of the Berkeley Seismology Lab, about what it means.

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles ...

On Thursday, the California Coastal Commission approved, with conditions, the continued operation of Diablo Canyon Nuclear ...