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 ...

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

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

SAN BERNARDINO COUNTY, Calif. - Three earthquakes struck in the Inland Empire overnight, data from the U.S. Geological Survey shows. The USGS said the first two temblors happened in Ontario. The first ...

The quakes struck near Rialto, Ontario and Lytle Creek in San Bernardino County, producing weak to light shaking, according ...

ONTARIO, Calif. (KABC) -- At least two earthquakes rattled San Bernardino County overnight, according to the U.S. Geological Survey. A 3.5-magnitude quake hit the Ontario area just after 1 a.m.

A preliminary 4.4-magnitude earthquake struck Southern California Thursday morning, according to the U.S. Geological Survey.

A preliminary 3.5-magnitude earthquake rattled Rialto on Tuesday, according to the United States Geological Survey.

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey. One quake hit Rialto, California, in the ...