Did you feel it? A trio of earthquakes struck near San Ramon Friday morning at 8:14 a.m., the U.S. Geological Survey said.

CONTRA COSTA COUNTY, CA - Saturday night, a preliminary 2.1 magnitude quake was registered near San Ramon, according to the U ...

Two earthquakes struck Southern California in the past two days, both estimated at 2.5 magnitude according to USGS.

KERN COUNTY, CA - A 2.4 magnitude quake was recorded near Frazier Park on Sunday around midday, the U.S. Geological Survey reported. The tremor, which struck the area at 12:47 p.m., was centered about ...

Since the Northridge quake, a permanent network of GPS stations has been deployed, precisely measuring the gradual strain ...

For more than a month, the San Francisco Bay Area has been subjected to a seemingly ceaseless stampede of earthquakes — the latest in a series of seismic swarms that have rattled windows and raised ...

INYO COUNTY, CA - Thursday morning, a preliminary 2.2 magnitude quake was registered close to Trona, according to the U.S. Geological Survey. The tremor, which shook the region at 7:28 a.m., was ...