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

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.

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

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 3.5-magnitude earthquake struck near Fontana, California, on August 5, 2025. Here's what caused it, how common earthquakes are in the region, and a look at Fontana’s seismic history.

RIALTO, Calif. (KABC) -- A 3.5-magnitude earthquake struck near the Fontana area and rattled other parts of the Inland Empire Tuesday afternoon, according to the U.S. Geological Survey.

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

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

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

A 4.3 magnitude earthquake struck near Fontana, California, at around 9:30 a.m. Wednesday, shaking the Southern California ...

The quake occurred at approximately 9:32 a.m. PT, according to the U.S. Geological Survey. Originally estimated at 4.4, the tremor was later downgraded to 4.3. Its epicenter was located roughly 3.7 ...

An earthquake with a magnitude of 4.3 struck about 5 miles from Fontana around 9:30 a.m. Wednesday and was felt around ...