CONTRA COSTA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.2 magnitude quake occurred close to San ...

CONTRA COSTA COUNTY, CA - A preliminary 2.3 magnitude quake was detected close to San Ramon Saturday afternoon, the U.S. Geological Survey reported.

An earthquake of magnitude 2.9 shook the East Bay on Saturday afternoon, hours after a 2.7 quake in Sonoma County, according ...

The quake happened at about 1:44 p.m., and it hit near Canyon Side Avenue and Canyon Green Drive, with a depth of almost 5 ...

An earthquake shook in Sonoma County Saturday afternoon, according to the United States Geological Survey (USGS). A preliminary 2.7-magnitude earthquake was reported near Kenwood at ...

A preliminary 2.7 magnitude earthquake struck Saturday morning near Kenwood in Sonoma County, according to the United States Geological Survey.