The earthquake that just shook the East Coast was caused by one of dozens of ancient fault lines that have lain dormant for ...

Earthquakes happen every day all over the world, along both tectonic plate edges and interiors. Earthquakes occur along faults, which are fractures between blocks of rock that allow the blocks to move ...

Over the last few days an alarming number of earthquakes have rocked California raising fears of wider trouble along the San Andreas fault. Now a map released by the United States Geological ...

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 summer’s Eastside L.A earthquakes, for instance, were centered on faults associated with the Puente Hills thrust fault system, which is underneath downtown L.A. and swaths of southeast L.A ...

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).