A light, 4.1-magnitude earthquake struck in Southern California on Sunday, according to the United ... may also prompt U.S.G.S. scientists to update the shake-severity map. An aftershock is usually a ...

Now a map released by the United ... San Bernadino is near a number of fault lines running through California that frequently cause earthquakes, including the Arrowhead fault, the Waterman Canyon ...

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).

DUBLIN, Calif. (KGO) -- From Napa to Santa Cruz, many Bay Area residents say they felt the big jolt of a 3.9 earthquake on the Calaveras fault in the East Bay. It struck at 7:46 p.m. Monday night ...

Did you feel it? A 3.9 magnitude earthquake struck near Dublin Monday night, according to the U.S. Geological Survey.