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 ...

Earthquakes’ sudden, rapid shaking can cause fires, tsunamis, landslides or avalanches. They can happen anywhere, but they’re ...

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 ...

A total of four earthquakes rocked the Inland Empire overnight, meaning the region experienced five quakes across a 13-hour ...

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 magnitude 3.7 earthquake near Lytle Creek jolted awake residents across San Bernardino County, the latest in a string of ...

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 ...

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

The Tintina fault hasn’t produced a large earthquake in 12,000 years, but that could soon change, researchers warn.

Google’s Android Earthquake Alerts program is a globe-spanning earthquake early-warning system that uses billions of phone ...