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

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.

At least seven earthquakes have struck in California in the last 24 hours, according to data from the United States Geological Survey (USGS). The quakes range in size from a 2.5 magnitude up to a 4.1 ...

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

Around 90 small earthquakes have struck near San Ramon in the East Bay this month. It's at least the sixth time a series of tiny quakes has lit up that area since 1970, including the most recent swarm ...