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

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a 4.2 magnitude quake occurred close to Rohnert Park Sunday ...

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

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

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

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

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

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...

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

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

The U.S. Geological Survey reports the small earthquake struck just before 3 p.m. about 1 mile west of Piedmont in Alameda ...

With earthquakes bouncing around the Pacific "Ring of Fire" some tremors have been going on in recent days up and down ...