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

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

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

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

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

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

A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Survey (USGS). USGS Earthquakes posted on X: "Yes Southern California, that was an earthquake ...

A 4.4-magnitude earthquake centered in just west of Muscoy, and north of San Bernardino, rattled Southern California at 9:32 ...