CONTRA COSTA COUNTY, CA - A preliminary 2.2 magnitude quake was detected close to San Ramon Wednesday morning, the U.S.

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 3.0 magnitude quake occurred close to San ...

The quake came only eight days after three earthquakes shook the area in the course of about 100 minutes. More than 30 quakes ...

A 3.1-magnitude earthquake struck Contra Costa County on Tuesday morning, according to the U.S. Geological Survey.

A swarm of 150 earthquakes have rattled a fault in San Ramon over the past month. Is a big one on the horizon?

The recent earthquake swarm in San Ramon, California, has left residents feeling anxious and uncertain about seismic activity in their area. With over 150 small quakes reported in just a month, ...

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

On Tuesday morning, residents of San Ramon experienced a mild tremor as a 3.1 magnitude earthquake struck the area, according to the United States Geological Survey (USGS). This event, which occurred ...

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

The tremor occurred around 10:11 p.m., near the intersection of Montevideo and Dolores drives, News.Az reports, citing CBS ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.