A 5.7 magnitude earthquake struck in Mexico’s Gulf of California early on Friday morning, the U.S. Geological Survey (USGS) ...

HUMBOLDT COUNTY, CA - the U.S. Geological Survey reported that a preliminary 3.4 magnitude quake occurred near Trinidad ...

MENDOCINO COUNTY, CA - Wednesday evening, a preliminary 2.6 magnitude quake was reported close to Brooktrails, according to ...

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

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 ...

Residents of the west coast state live in one of the most seismically active regions in the world, an area distinguished by ...

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

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

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

A swarm of small earthquakes struck California's East Bay on Sunday morning, the United States Geological Survey (USGS) has ...