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

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

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 Society.

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

The quakes come just a day after a massive magnitude 8.8 earthquake struck in Russia, prompting tsunami warnings along the ...

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

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

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 ...

Several small earthquakes rattled residents across San Bernardino and Riverside counties in Southern California on Thursday ...

The earthquake followed a pair of smaller earthquakes in the Inland Empire. At 8:34 a.m., a 3.0 magnitude earthquake hit ...