California is riddled with a number of fault lines that frequently cause earthquakes, including Arrowhead, Waterman Canyon, San Jacinto, Santa Ana, Cleghorn, Tunnel Ridge faults and the most famous - ...

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.

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

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).

Multiple tremors were recorded by the USGS over the past week, including one which struck as the Oscars ceremony was underway.

An average of 234 earthquakes with magnitudes between 3.0 and 4.0 occur each year in California and Nevada, according to a recent three-year data sample. Quakebot, a computer application that ...