A major earthquake hasn’t struck any of California’s biggest cities in more than three decades, but the “Big One” is a matter ...

Millions of residents, students and office workers in Los Angeles and Orange counties and across the state took part in the ...

Millions of Californians have signed up to drop, cover and hold on Thursday for the Great California ShakeOut. The annual ...

The one-minute drill was developed to teach people what to do when a large temblor strikes. If you have the MyShake app, your ...

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

Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

Are you prepared for an earthquake? The California Office of Emergency Services is making sure you are. Since California is ...

The first earthquake happened at around 11:15 p.m. Saturday, with several more occurring into Sunday morning, the USGS said.

BALDWIN HILLS, LOS ANGELES -- An earthquake with a preliminary magnitude of 3.9 hit the greater Los Angeles area early Sunday morning, waking residents. The quake struck at about 4:07 a.m. about one ...

A 3.5-magnitude earthquake rattled the Big Bear area on Saturday, the United States Geological Survey said. The earthquake ...