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 near Ontario shook parts of Southern California on Saturday morning, Sept. 7, the U.S Geological ...

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

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

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

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 ...

Two small earthquakes have hit near Ontario, according to the U.S. Geological Survey. Southland residents, who are among the ...

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

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

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 ...

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

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