Below California's famed beaches, mountains and metropolitan areas lies a sinister web of earthquake faults—some so infamous ...

Millions of people across Southern California learned about a 5.2-magnitude earthquake that hit San Diego County on Monday ...

The earthquake had a preliminary magnitude of 5.2 and was near the mountain town of Julian, east of San Diego, according to ...

A preliminary 6.0-magnitude earthquake struck near San Diego, according to the U.S. Geological Survey. The quake's epicenter ...