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

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 ...

Shaking was reported in communities east of Los Angeles due to a magnitude-3.1 earthquake in Ontario. The quake with a depth ...

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 ...

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

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 ...

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

Crews gained additional containment on Tuesday on the 44,000-acre Line Fire, which flared up over the weekend and forced a fresh round of evacuations in Southern California’s San Bernardino ...

A preliminary 3.1-magnitude earthquake struck near Ontario this afternoon, according to the U.S. Geological Survey.