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

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

Thousands of people across the California Bay Area were rattled as a burst of minor earthquakes arrived in rapid succession, ...

Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County. The earthquakes ...

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 ShakeAlert system that warns about imminent shaking arriving from earthquakes sent a false alarm across California on ...

With earthquakes bouncing around the Pacific "Ring of Fire" some tremors have been going on in recent days up and down ...

A swarm of small earthquakes has been rattling a Bay Area city for more than a week in Northern California. More than 90 quakes have hit the San Ramon area since Nov. 9, the U.S. Geological Survey ...

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.

A shake alert went out over the U.S. Geological Survey's early warning system on Dec. 4, warning that a 5.9 earthquake near ...

A magnitude 3.3 earthquake shook the Santa Rosa area in Northern California, followed by an overnight series of aftershocks, the U.S. Geological Survey reported.

At least three earthquakes, each stronger than the last, struck Central California on Thanksgiving afternoon with preliminary magnitudes as high as 4.0, according to the U.S. Geological Survey. The ...