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

A 3.1 magnitude quake struck near San Ramon early Tuesday, part of a recent East Bay swarm. No damage reported, but experts urge preparedness.

California has experienced earthquake swarms for nearly a week, with the same city as the epicenter each time. Officials ...

The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes. More than 30 quakes also were recorded between midnight and 10:15 a.m. on Dec. 8, according to ...

VENTURA COUNTY, CA - A preliminary 3.4 magnitude quake was reported close to Ojai Tuesday morning, according to the U.S.

A 4.0 earthquake was widely felt in the Glen Ellen area of Sonoma Valley yesterday, and was followed by a smaller aftershocks ...

On Monday morning, around 30 minor earthquakes erupted in a swarm near the Geysers geothermal field south of Clear Lake. The day before, seven quakes rattled Sonoma County, including a 4.0 quake. The ...

Two major earthquakes on opposite sides of the Pacific within roughly two days have jolted public anxiety, feeding talk of a ...

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

Shaking was felt in areas such as Petaluma and Rohnert Park, but no damages or injuries were reported immediately after the ...

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