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

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

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

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