California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...

This is the fourth eartquake to hit California with others felt across the region including shaking in San Bernardino, ...

California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.

A series of small earthquakes shook the San Francisco Bay Area on Thursday, according to the United States Geological Survey.

A magnitude 3.7 earthquake shook the Bay Area ... have noted the danger posed by the Hayward fault. Though less of a household name than the San Andreas fault, the Hayward fault poses a ...

MORGAN HILL, Calif. - A magnitude 3.4 earthquake struck east of Morgan Hill on Friday, the USGS reported. The earthquake was ...

Three earthquakes ... of San Bernardino, according to the U.S. Geological Survey. About 4 minutes later, a magnitude 3.0 quake stuck in the same location near the San Andreas Fault.