The U.S. Geological Survey reported a magnitude 3.3 earthquake southeast of San Ramon at 10:47 p.m. on Monday night.

A preliminary 3.6 magnitude earthquake struck Thursday, centered in Vallejo according to the United States Geological Survey.

A small 3.3 magnitude earthquake struck near San Ramon, California, late Monday night local time, the U.S. Geological Survey (USGS) said. The tremor was felt in nearby Dublin and the Bay Area. It had ...

HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.0 magnitude quake occurred close to Redway ...

SONOMA COUNTY, CA - A preliminary 2.9 magnitude quake was registered near The Geysers Sunday evening, according to the U.S. Geological Survey.

A small earthquake was reported by the United States Geological Survey just after midnight on Sunday. The U.S. Geological ...