On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The ...

Four earthquakes, measuring up to nearly three on the Richter scale, were recorded within two hours of each other near ...

Two small earthquakes were recorded near Concrete on Monday morning, according to the U.S. Geological Survey. The first ...

A magnitude 4.0 earthquake Sunday afternoon three miles from Santa Rosa was followed a few minutes later by magnitude 3.1 and ...

A preliminary magnitude-?? earthquake was reported… Whether you feel shaking from an earthquake largely depends on three ...

LATEST, Dec. 8, 3:15 p.m. Oakland is the latest Bay Area city to be jolted by an earthquake on Monday. The shake happened at ...

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

A preliminary 4.1 magnitude earthquake struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United ...

Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County. The earthquakes ...

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 ...

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