A minor, 3.5-magnitude earthquake struck in the San Francisco Bay Area on Thursday, according to the United States Geological ...

New research led by a UC Berkeley professor found that Alameda County could lose up to 80% of hospital bed capacity in the ...

The fault, which is part of the San Andreas Fault system, produced two 6.2-magnitude earthquakes last century.

A magnitude 3.1 earthquake struck near San Juan Bautista on Wednesday, the U.S. Geological Survey said. The quake hit at 7:12 ...

RIVERSIDE COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.2 magnitude quake occurred near Cabazon ...

SAN BERNARDINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.1 magnitude quake shook close to Big Bear City Saturday evening. The tremor, which struck the region at 8:47 p.m., ...

MARIPOSA COUNTY, CA - Saturday morning, a preliminary 2.4 magnitude quake was reported close to Mariposa, according to the U.S. Geological Survey. A tremor struck the area at 5:32 a.m. The ...

SAN BERNARDINO COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.1 magnitude quake shook close to Big Bear City Saturday evening. The tremor, which struck the area at 8:47 p.m., ...

RIVERSIDE COUNTY, CA - According to the U.S. Geological Survey, a 2.0 magnitude quake struck close to Moreno Valley Saturday morning. The tremor shook at 1:39 a.m., with its epicenter situated about 3 ...

A 3.2 earthquake struck the Central Coast early Thursday morning, the U.S. Geological Survey said. The quake hit at 1:14 a.m. about 9 miles out from San Simeon. It had a depth of 3.4 miles.