The Great California ShakeOut is coming. The event is an annual earthquake drill, aimed at increasing public awareness about ...

SAN BERNARDINO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.0 magnitude quake occurred close to Loma ...

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

A 3.1-magnitude earthquake hit the San Francisco Bay Area of Northern California, the U.S. Geological Survey reported. The about 6-mile deep quake hit a little more than 1 mile east from Berkeley at 9 ...

A 4.3 magnitude earthquake struck Berkeley, California, on Monday morning, the U.S. Geological Survey (USGS) said.

IMPERIAL COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.1 magnitude quake shook near Ocotillo Sunday afternoon. The tremor struck at 3:52 p.m., with its epicenter situated ...

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

HUMBOLDT COUNTY, CA - the U.S. Geological Survey reported that a 2.9 magnitude quake occurred close to Petrolia Thursday morning. The tremor shook at 9:25 a.m. (8:25 a.m. local time), with its ...