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

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

Many users reported receiving alerts on their phones before Monday's magnitude 5.2 temblor in Southern California.

A 5.2 magnitude earthquake shook Southern California on Monday, according to the U.S. Geological Survey. The quake was centered in San Diego County but was felt as far north as Los Angeles. No ...

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 ...

A 5.2-magnitude earthquake rumbled through Southern California Monday morning, causing minor damage in areas outside San Diego and triggering ShakeAlert warnings to countless cell phones.

Southern California typically experiences more than 10,000 earthquakes per year, according to the United States Geological ...

A 5.2 Magnitude earthquake struck the greater San Diego area at 10:08 a.m. Monday with shaking reported around much of Southern California and into Arizona. There were no immediate reports of any ...

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...