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 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 ...

California has experienced earthquake swarms for nearly a week, with the same city as the epicenter each time. Officials ...

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.

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

A magnitude of 2.9 is classified as a micro earthquake, which typically goes unnoticed by most people. However, even minor quakes can provide critical data for scientists studying seismic patterns.