A California Geological Survey map released earlier this year depicts just how intense and damaging the shaking from future earthquakes will be across the state, revealing where the threat is most ...

A minor, 3.3-magnitude earthquake struck in the North Pacific Ocean on Tuesday, according to the United States Geological Survey. The temblor happened at 12:15 p.m. Pacific time about 9 miles ...

A 3.3-magnitude earthquake shook the Los Angeles area in Southern California, the U.S. Geological Survey reported. The 5-mile deep quake hit about 4 miles south of Pearblossom at 10:49 pm. Monday, ...

Decades of research have revealed a complex web of hundreds of active faults beneath Southern California.