SONOMA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.3 magnitude quake shook near The Geysers at ...

SONOMA COUNTY, CA - Sunday evening, a preliminary 2.3 magnitude quake was registered near The Geysers, according to the U.S.

Monday’s quake, the largest in the Bay Area in nearly three years, caused no serious damage or injuries. It occurred along ...

SONOMA COUNTY, Calif. -- A 4.1 magnitude earthquake struck near Cobb Mountain in an area of unincorporated Sonoma County in Northern California early Wednesday morning, according to the United States ...

The earthquake-generated ocean surge that damaged docks in Crescent City on Wednesday created hardly a ripple in Sonoma County, but it demonstrated how the state's tsunami warning system works. "My ...

A magnitude 4.3 earthquake struck near Berkeley and Oakland, California, just before 3 a.m. on Monday, according to the U.S. Geological Survey.