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

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

A magnitude 3.5 earthquake struck Rialto late Tuesday afternoon, according to the U.S. Geological Survey. The temblor, at ...

Thousands in Southern California were jolted by an earthquake swarm on Wednesday. Multiple quakes were detected within one hour.

According to the USGS, shaking was reported across portions of Southern California, including Riverside and San Bernardino.

The preliminary 3.5-magnitude earthquake hit just before 5 p.m. on Tuesday, about four miles northwest of Rialto, according ...

A magnitude 3.5 earthquake was reported Tuesday at 4:54 p.m. in Rialto, according to the U.S. Geological Survey.

RIALTO, Calif. (KABC) -- A 3.5-magnitude earthquake struck near Fontana in the Inland Empire Tuesday afternoon, according to the USGS. The quake hit at approximately 4:54 p.m. and was centered about 3 ...

Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S. Geological Survey.