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

A small earthquake with a magnitude of 2.7 rattled through the Santa Monica Mountains in Southern California early Wednesday ...

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

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

A magnitude 3.1 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, the U.S. Geological Survey says.

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

A 3.5-magnitude earthquake struck near Ontario, California; no significant damage or injuries have been reported.

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

Shaking was reported in communities east of Los Angeles due to a magnitude-3.1 earthquake in Ontario. The quake with a depth of about 3.5 miles was reported at 12:56 p.m. Weak to light shaking was ...

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

An early morning 4.2-magnitude earthquake shook the San Francisco Bay Area and the Monterey Bay area in California, the U.S. Geological Survey reported. The 4-mile deep quake hit 2 miles from Aromas, ...

Three different earthquakes shook Southern California on Saturday, notably the Malibu coastline which has been hit four times ...