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 ...

Did you feel it? An earthquake with a preliminary magnitude of 3.1 struck near San Ramon at 5:53 a.m. Tuesday, the U.S.

A preliminary 3.1 magnitude earthquake struck Tuesday morning near San Ramon, according to the United States Geological ...

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

A string of earthquakes has rattled the same patch of land in northern San Luis Obispo County over the past month, all ...

The US Geological Survey and the State Department of Natural Resources are both concerned about the risk of widespread ...

Over the next three years, researchers—including students—will continue to evaluate the cables’ ability to monitor seismic ...

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

A magnitude 4.0 earthquake was reported Sunday afternoon at 3:30 p.m. three miles from Santa Rosa, according to the U.S.

A 3.1 magnitude aftershock was felt 8 minutes after, this time about 1.4 miles deep. At 4:04 p.m., another 3.4 magnitude ...