These earthquakes come after another magnitude 3.5 earthquake shook the Rialto, California, area late Tuesday afternoon. And ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Society.

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

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

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

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

A preliminary 4.4-magnitude earthquake struck near the Fontana and Rialto areas in San Bernardino County in California on ...

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 pair of quakes hit the Southern California area, the U.S. Geological Survey reported. Getty Images/iStockphoto Back-to-back earthquakes hit the Southern California area less than a minute apart ...

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