A preliminary 3.9-magnitude earthquake was reported near Ontario Saturday morning after another quake, according to the U.S.

A swarm of earthquakes struck Ontario on Saturday morning, the U.S. Geological Survey reported. The first shaker was a 3.5 ...

ONTARIO, Calif. - A preliminary 3.5-magnitude earthquake shook Southern California Saturday morning, according to the U.S.

A preliminary 3.5-magnitude earthquake rattled the Inland Empire on Saturday. The United States Geological Survey reported ...

The United States Geological Survey reported the first temblor occurred at 10:05 a.m. in Ontario. The quick jolt happened ...

A magnitude 3.9 earthquake struck near Ontario at 10:34 a.m., Wednesday, according to the U.S. Geological Survey.

At 10:34 a.m., a 3.9-magnitude quake hit 3.7 miles north-northwest of Eastvale, near the 3.5-magnitude quake close to Ontario ...

The quakes, of magnitudes 3.5 and 3.9, occurred within about a half hour of each other. Shaking was felt as far away as Los ...

A 3.5-magnitude earthquake struck areas surrounding Ontario Saturday morning, according to the U.S. Geological Survey.

A 3.5-magnitude earthquake near Ontario shook parts of Southern California on Saturday morning, Sept. 7, the U.S Geological ...

A preliminary 3.9-magnitude earthquake was reported near Ontario Saturday morning after another quake, according to the U.S.

A 3.5-magnitude earthquake hit near Ontario, California, on Saturday morning, with a second quake of 3.9 magnitude occurring ...