SONOMA COUNTY, CA - A preliminary 2.3 magnitude quake was recorded close to The Geysers Thursday morning, according to the ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning.

While tsunamis remain a low-probability threat for Sonoma County, recent events and updated science underscore the real and present danger. The question isn’t whether another tsunami will strike, but ...

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 ...

SONOMA COUNTY, CA - A preliminary 2.1 magnitude quake was recorded close to The Geysers at midnight on Tuesday, according to the U.S. Geological Survey. It was reported that a tremor struck the region ...

Since Thursday, at least 131 earthquakes have been recorded — as small as magnitude 0.2 and as big as magnitude 4 — in the ...