California has been hit by an earthquake swarm for the fourth day in a row. Residents have been experiencing earthquake swarms for nearly a week, with the latest hitting on Tuesday, December 16. The ...

The ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...

A preliminary 4.0-magnitude earthquake struck California’s Sonoma County on Sunday afternoon, according to the US Geological ...

CONTRA COSTA COUNTY, CA - Monday afternoon, a preliminary 2.4 magnitude quake was reported near San Ramon, according to the U ...

Residents in Nevada woke up to a shocking 5.9 magnitude earthquake alert, but after the panic settled, the whole thing turned ...

Robert DeGroot, operations team lead for the USGS-managed ShakeAlert Earthquake Early Warning System, told SFGATE that at ...

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

CONTRA COSTA COUNTY, CA - A 3.0 magnitude quake was recorded close to San Ramon Tuesday morning, according to the U.S.

We all know the San Andreas Fault is out there. Californians first learn about the looming underground threat during ...

At least seven earthquakes have struck in California in the last 24 hours, according to data from the United States Geological Survey (USGS). The quakes range in size from a 2.5 magnitude up to a 4.1 ...

Had there been a real 5.9 earthquake Thursday morning 15 miles east of Lake Tahoe in rural Nevada, Bay Area residents might ...

A small 3.3 magnitude earthquake struck near San Ramon, California, late Monday night local time, the U.S. Geological Survey (USGS) said. The epicenter, about 2.5 miles from San Ramon, and the quake’s ...