LAKE COUNTY, CA - Saturday afternoon, a preliminary 2.3 magnitude quake was detected near Cobb, according to the U.S.

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

The first jolt hit before dawn, a 2.9-magnitude quake under the Tri-Valley that woke light sleepers and set off a daylong sequence of shaking across California’s East Bay. Over the next eight hours on ...

A total of 31 quakes, as small as magnitude 1.5, struck the San Ramon area between midnight Monday and 10:15 a.m.

The quake was the second to hit the area this week.

Multiple small earthquakes struck Monday morning, centered near San Ramon, according to the United States Geological Survey.

At least three minor to moderate earthquakes struck Thursday morning in the Geysers area of northern Sonoma County, according to the United States Geological Survey. The most recent quake, measured at ...

SAN BENITO COUNTY, CA - the U.S. Geological Survey reported that a 2.5 magnitude quake shook near San Juan Bautista Friday morning. At 7:40 a.m., the region was rattled by a tremor. The earthquake ...

FRESNO COUNTY, CA - A preliminary 2.6 magnitude quake was recorded near Mammoth Lakes on Friday around midnight, according to the U.S. Geological Survey. It was reported that a tremor shook the region ...

A notification about a magnitude-5.9 earthquake in western Nevada Thursday morning was a false alert, the USGS said. The quake alert generated by the ShakeAlert early warning system indicated an ...