Scientists warn that the next 'Big One' in California may be worse than anymore has predicted after factoring in new ...

The Carrizo Plain in eastern San Luis Obispo County contains the most strikingly graphic portion of the San Andreas Fault. Sediment cores recovered from the Pacific seafloor suggest that megathrust ...

Earthquakes triggered by the notorious San Andreas Fault in California may have been triggered by an ancient rising lake, a study has found. The San Andreas Fault is the border section between two ...

On Monday residents of northeastern Japan were rattled by a massive magnitude 7.7 earthquake off the coast and warned of ...

Earthquakes remain one of the top concerns for millions of Californians. While the San Andreas Fault dominates the public imagination, a leading expert says the state’s seismic risk is far more ...

Dean Fioresi is a web producer for CBS Los Angeles. He covers breaking news throughout Southern California. When he's not writing about local events, he enjoys focusing on sports and entertainment.

Add Yahoo as a preferred source to see more of our stories on Google. Tiny quakes help scientists map hidden faults where the San Andreas meets Cascadia, reshaping quake hazard estimates. (CREDIT: ...