A magnitude 3.1 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, ...

A 3.5-magnitude earthquake shook the Southern California area, the U.S. Geological Survey reported. The about 3-mile deep ...

AROMAS, Calif. -- An earthquake registering magnitude 4.2 shook part of central California early Sunday, the United States ...

Some Northern California residents woke up to 3.6 magnitude earthquake Saturday morning, according to the United States ...

Faced with the prospect of an extensive, and expensive, seismic safety retrofit for its 1960s-era downtown headquarters, L.A.

SAN DIEGO — California’s largest earthquake insurance carrier, California Earthquake Authority, will be raising its rates at the beginning of next year by 6.8% on average.

An earthquake shook communities in Central California on Tuesday, according to the U.S. Geological Survey. The magnitude 4.0 ...

The California earthquakes were reported one day after a 2.7-magnitude earthquake was reported in Idaho on Monday (September ...

Shaking was reported in communities east of Los Angeles early Tuesday afternoon due to a magnitude-3.1 earthquake in Ontario.

SAN FRANCISCO – A magnitude 4.2 earthquake rocked areas south of San Francisco in California early Sunday morning. According ...

Saturday's earthquake was the seventh of magnitude 3 or greater since Sept. 12, when a magnitude 4.7 earthquake just north of ...

A magnitude-3.1 earthquake centered about two miles southeast of Ontario struck at 12:56 p.m. on Tuesday, Oct. 1, the US ...