MENDOCINO COUNTY, CA - A preliminary 2.8 magnitude quake was detected close to Covelo Monday afternoon, according to the U.S.

SONOMA COUNTY, CA - Saturday night, a preliminary 2.3 magnitude quake was detected near The Geysers, according to the U.S.

A new scientific warning has put California’s earthquake risk in sharp focus: supershear earthquakes—rare, high-speed ruptures that outpace traditional seismic waves—pose a growing threat to the state ...

The start of November was kicked off by a pair of earthquakes in Southern California, including one in San Bernardino County.

A minor, 3.3-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

A 3.2-magnitude earthquake struck Northern California, just near Sonoma County, early Friday morning, according to the U.S.

A preliminary magnitude 3.0 earthquake was recorded north of Borrego Springs Wednesday night, according to USGS.

A 3.1-magnitude earthquake hit the San Francisco Bay Area of Northern California, the U.S. Geological Survey reported. The about 6-mile deep quake hit a little more than 1 mile east from Berkeley at 9 ...

An earthquake with a magnitude of 3.5 struck Northern California on Sunday in Humboldt County, just north of the Mendocino ...

The annual Great California ShakeOut saw over 10 million residents across the state practise earthquake safety drills, reinforcing preparedness for “big one.” ...

The California Earthquake Authority (CEA) has returned to the catastrophe bond market to sponsor its third issuance this year ...

TEHAMA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 3.4 magnitude quake occurred near Manton Friday morning. At 6:34 a.m., the area was rattled by a tremor. The earthquake ...