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

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

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

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

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

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

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

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

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

Multiple small earthquakes struck Monday morning, centered near San Ramon, according to the United States Geological Survey.

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...