FRESNO COUNTY, CA - A preliminary 2.6 magnitude quake was recorded near Mammoth Lakes on Friday around midnight, according to ...

ALAMEDA COUNTY, CA - A preliminary 2.3 magnitude quake was registered close to Union City around midnight Friday, according ...

A minor, 3.6-magnitude earthquake struck in the San Francisco Bay Area on Thursday, according to the United States Geological ...

A 3.6-magnitude earthquake shook the Vallejo area in Northern California, the U.S. Geological Survey reported. The 6-mile ...

An earthquake swarm hit the San Francisco Bay Area on Sunday morning. The quakes, ranging from 2.9 to 3.8 on the Richter ...

When will "The Big One" hit the U.S. West Coast? Nobody knows, but should it happen, science can give us a good idea of its ...

A 3.6-magnitude earthquake struck near Vallejo, California, on Thursday afternoon, with tremors felt across Berkeley, Benicia ...

At 9:39 a.m., a magnitude 3.8 earthquake struck near Summerwood Loop and Alcosta Boulevard in San Ramon. Within three minutes ...

A swarm of more than 20 earthquakes reaching up to 3.8 magnitude rattled San Ramon near San Francisco in Northern California, ...

A minor, 3.8-magnitude earthquake struck in the San Francisco Bay Area on Sunday, according to the United States Geological ...

Seismic monitoring stations in Alaska are closing after a denied federal grant, risking delayed tsunami warnings for people ...

California Republicans are challenging their state's voter-approved redistricting plan, adding to the ongoing court battle ...