California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, ...
The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.
A 4.5 magnitude earthquake and other smaller quakes rocked the Humboldt County coastline in Northern California on Feb. 11 ...
A third earthquake struck California in less than six hours, this one rocking the city of Hayward near San Francisco and San ...
California has been rocked by at least nine earthquakes since Thursday, raising fears that the "Big One" could be near.