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

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

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

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

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 ...

LOS ANGELES – A minor earthquake rattled the Los Angeles area just as the region was finishing up the lunch hour Tuesday. The U.S. Geological Survey says the quake hit at 12:56 p.m. PT just outside ...

The earthquake was centered near Neiafu at a depth of 10 kilometers (about 6.2 miles). The USGS said it received two reports ...

The second earthquake struck at 10:34 a.m. in Ontario. This one also happened about 3 miles southeast of the city and at a depth of 3 miles. Residents in Chino, Corona, Pasadena, Montebello and ...

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