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

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

A 3.5-magnitude temblor hit some 3.7 miles north-northwest of Rialto and about 4 miles north-northeast of Fontana. The depth ...

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

A 3.5 magnitude earthquake struck near Rialto, California, Tuesday afternoon, with tremors felt as far as Los Angeles. The ...

A magnitude 3.5 earthquake struck in San Bernardino County on Tuesday afternoon, causing shaking felt as far as Los Angeles ...

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

A powerful earthquake off Russia’s east coast triggered tsunami waves across the Pacific, prompting alerts in Hawaii and ...

Multiple earthquakes rattled parts of San Bernardino and Riverside counties Thursday morning, according to the U.S.

Series of earthquakes struck San Bernardino and Riverside counties, with a 4.3 tremor felt across Southern California.

LOS ANGELES — A magnitude 4.3 earthquake rumbled through Muscoy in San Bernardino County on Thursday morning, triggering ...

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