CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake shook close to San Ramon ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.0 magnitude quake occurred near San Ramon ...

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

A small earthquake struck the San Ramon area early Tuesday morning, the latest in a string of small earthquakes to shake the ...

A total of 31 quakes, as small as magnitude 1.5, struck the San Ramon area between midnight Monday and 10:15 a.m.

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

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, ...

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 ...