Two small earthquakes were recorded near Concrete on Monday morning, according to the U.S. Geological Survey. The first ...

Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake ...

Two major earthquakes on opposite sides of the Pacific within roughly two days have jolted public anxiety, feeding talk of a ...

Four earthquakes, measuring up to nearly three on the Richter scale, were recorded within two hours of each other near ...

Sonoma County was hit by three earthquakes within a little more than half an hour Sunday, the largest one having a ...

A preliminary 4.1 magnitude earthquake struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United ...

A magnitude 4.0 earthquake was reported Sunday afternoon at 3:30 p.m. three miles from Santa Rosa, according to the U.S.

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 U.S. Geological Survey reports the small earthquake struck just before 3 p.m. about 1 mile west of Piedmont in Alameda ...

SAN DIEGO COUNTY, CA - Wednesday night, a 2.0 magnitude quake was detected close to Borrego Springs, according to the U.S.