California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical ...

SONOMA COUNTY, CA - A preliminary 2.5 magnitude quake was reported close to Glen Ellen Sunday afternoon, according to the U.S ...

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 ...

The San Jacinto Fault, considered part of the San Andreas Fault system, has a 5% chance of magnitude 6.7 or larger earthquakes. The line begins at Cajun Pass and runs southeast through San Bernardino, ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

San Ramon was hit by more than 90 tremors in mid-November.

SAN LUIS OBISPO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake occurred near Pismo ...

A 3.0 magnitude quake was recorded near Golfo de Santa Clara Sunday night, according to the U.S. Geological Survey. The tremor shook at 20:14 UTC (21:14 local time), with its epicenter situated ...

SANTA CLARA COUNTY, CA - A 4.0 magnitude quake was recorded close to Gilroy Wednesday morning, the U.S. Geological Survey reported. The tremor jolted the area at 6:16 a.m. It occurred at a depth of ...

A local county in western Nevada said residents received a false alert for a 5.9 magnitude earthquake.

In compliance with adopting California’s new building standards code, on Nov. 19 Sonoma City Council considered provisions to the law that are locally-specific to Sonoma’s conditions, ...

LAKE COUNTY, CA - A preliminary 2.6 magnitude quake was detected near Lake Pillsbury Sunday night, the U.S. Geological Survey reported. The tremor shook at 11:18 p.m., with its epicenter situated ...