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

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

The strongest was a 3.4 magnitude quake that struck near San Bernardino, with more than 500 people feeling the quake.

Or try the SCEC’s version. See where the faults lie in Los Angeles. The Southern California Earthquake Center has a similar clickable map detailing the (known) faults of Southern California.

California is overdue for a major earthquake, experts say ... to drill new wastewater wells or rework existing ones near faults in Los Angeles, Santa Barbara, Kern and other counties (see map below).

Los Angeles and the Southern California area have been ... WHAT WE FOUND Earthquakes occur when stress builds up along fault lines and is suddenly released. But faults don't follow a consistent ...