A series of earthquakes struck San Bernardino County Thursday, with the strongest south of Cal State San Bernardino.

The BriefThree earthquakes rattled San Bernardino County overnight.Two of the quakes struck in Ontario.The three earthquakes ...

A magnitude 3.5 earthquake struck in San Bernardino County on Tuesday afternoon, causing shaking felt throughout Southern ...

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

Did you feel it? A 3.5 magnitude earthquake struck the Rialto area in San Bernardino County on Tuesday. The quake was ...

The Rialto Fire Department reported that a series of small earthquakes shook the northwestern portion of the city Thursday ...

A 4.3-magnitude earthquake struck the Inland Empire Thursday morning, according to the U.S. Geological Survey.

USGS reports five earthquakes on the morning of July 31 in the Rialto area, ranging from 2.5 to 4.3 in magnitude.

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit about 3 miles northwest of Rialto, and at 8:42 a.m., a 2.8magnitude earthquake ...

A swarm of earthquakes, including one with a preliminary magnitude of 4.3, shook the Inland San Bernardino County on Thursday morning. This video aired on the KTLA 5 Morning News on July 31, 2025.

LOS ANGELES — A magnitude 4.3 earthquake rumbled through Muscoy in San Bernardino County on Thursday morning, triggering shaking across the Inland Empire region, Los Angeles and Orange counties ...