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

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

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

ONTARIO, Calif. - A preliminary 3.5-magnitude earthquake shook Southern California Saturday morning, 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 ...

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

The first quake to strike the area — later deemed a foreshock — was at 10:05 a.m., centered 4.3 miles southeast of Ontario, per the survey. It was a magnitude 3.5. That was later followed by a 3.9 ...

The first 3.5 magnitude earthquake struck around 10:05 a.m. and was centered about three miles southeast of Ontario, USGS said. It was followed by another 3.9 magnitude quake centered east ...

LOS ANGELES - A preliminary magnitude 4.7 earthquake struck Southern California Thursday morning, 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 ...

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