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

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

CONTRA COSTA COUNTY, CA - around midnight Monday, a preliminary 2.0 magnitude quake was recorded near San Ramon, according to ...

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

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

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

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...

Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake ...

A minor, 3.1-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

At least 7 earthquakes have battered a mountain range in Ventura County on Thursday morning, with preliminary magnitudes ...

Residents in Nevada woke up to a shocking 5.9 magnitude earthquake alert, but after the panic settled, the whole thing turned ...