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

Several small earthquakes hit the Inland Empire early Wednesday morning, but there were no reports of damage. Ontario saw two ...

A 6.3-magnitude earthquake was reported in Indonesia on Tuesday (August 12), according to the United States Geological Survey ...

Original article source: More earthquakes shake Southern California after pair of quakes rattle nation's most populous metros ...

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.

It was a magnitude 3.5. That was later followed by a 3.9 earthquake at 10:34 a.m., with its center about 4.4 miles southeast of Ontario and 4.7 miles northwest of Jurupa Valley in Riverside County.

A swarm of earthquakes struck Ontario on Saturday morning, the U.S. Geological Survey reported. The first shaker was a 3.5 magnitude earthquake at about 10:05 a.m. and was centered nearly three ...

But in Ontario, one thing has been consistent: earthquake weather. From Sept. 7 through Oct. 6, the city had four quakes of magnitude 3 or greater.

A 3.8 magnitude earthquake hit in Southern California near San Bernardino County Thursday night, according to the United States Geological Survey. The quake hit just outside of Ontario, about six ...

This morning, three earthquakes struck the Inland Empire, with the last reaching parts of Los Angeles and San Diego counties ...