IMPERIAL COUNTY, CA - Thursday morning, a preliminary 2.5 magnitude quake was reported near Holtville, according to the U.S.

At least 7 earthquakes have battered a mountain range in Ventura County on Thursday morning, with preliminary magnitudes measured between 2.5 and 3.3, officials say. According to the U.S. Geological ...

SAN RAMON — A sense of shakiness in the Tri-Valley only grew Monday morning when three earthquakes rattled the area in the course of about 100 minutes. More than 30 quakes, as small as magnitude 1.5, ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 2.5 magnitude quake occurred close to San Ramon Sunday morning. The tremor rattled the region at 5:18 a.m. It occurred at a depth ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.5 magnitude quake shook close to San Ramon Monday morning. A tremor rattled the area at 7:24 a.m. The earthquake's ...

A 3.1-magnitude earthquake struck about 2.5 miles northeast of North Shore, a community near the Salton Sea at 4:56 p.m.

LOS ANGELES COUNTY, CA - Saturday morning, a 2.5 magnitude quake was registered near Valencia, according to the U.S. Geological Survey. At 6:34 a.m., the region was shaken by a tremor. The earthquake ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 2.5 magnitude quake rattled close to Dublin Friday evening. The tremor shook the area at 7:57 p.m. It occurred at a depth of just 3 ...