Two small earthquakes occurred near Ontario Saturday morning. At 10:05 a.m., a magnitude 3.5 earthquake struck 3.1 miles southeast of the city, followed by a 3.9 magnitude quake at 10:34 a.m. that ...

A 3.5-magnitude earthquake struck near Ontario this afternoon, according to the U.S. Geological Survey (USGS). The quake hit at 12:56 p.m. with an epicenter 1.24 miles southeast of Ontario.

Two small earthquakes have hit near Ontario, according to the U.S. Geological Survey. Series Of Earthquakes, Including 3.9 Magnitude, Strikes Near Ontario Skip to main content ...

A preliminary 4.0-magnitude earthquake struck near Ontario this morning, according to the U.S. Geological Survey. The quake hit at 3:51 a.m. Sunday with an epicenter of 2.8 miles northwest of Ontario.

Two earthquakes struck near Ontario within 30 minutes on Saturday morning, with a magnitude of 3.5 and 3.9, respectively, according to the U.S. Geological Survey.

A magnitude 3.5 earthquake was reported less than a mile south of Ontario International Airport early Wednesday afternoon, the U.S. Geological Survey says.

Two earthquakes struck near Ontario within 30 minutes on Saturday morning, with a magnitude of 3.5 and 3.9, respectively, according to the U.S. Geological Survey.

A magnitude 4 earthquake rattled Southern California before dawn Sunday morning — the strongest in a series of modest earthquakes to strike near the Ontario International Airport in the last month.

Two small earthquakes occurred near Ontario Saturday morning. At 10:05 a.m., a magnitude 3.5 earthquake struck 3.1 miles southeast of the city, followed by a 3.9 magnitude quake at 10:34 a.m. that ...

After another smaller quake, 3.9-magnitude earthquake strikes near Ontario 05:58. More than a dozen aftershocks followed a 3.9-magnitude earthquake that struck the Inland Empire Saturday — a ...

The United States Geological Survey reports a preliminary magnitude 3.7 earthquake struck near The Geysers, CA on Saturday. The quake hit at 12:35 AM local time at a depth of 2 kilometers.