"It's Movie Territory": Huge Cascadia Earthquakes Can Trigger the San Andreas Fault, Scientists Say

A future mega-earthquake in the Pacific Northwest could lead to the "Big One" along the San Andreas fault in California-or vice versa-according to clues found in sediment cores.

Update: Seismic activity on Oct. 12 - 2.1 magnitude earthquake close to Los Angeles, CA reported

LOS ANGELES COUNTY, CA - Sunday morning, a 2.1 magnitude quake was recorded close to Los Angeles, according to the U.S. Geological Survey.