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

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

A magnitude 3.5 earthquake was reported Tuesday at 4:54 p.m. in Rialto, 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.

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

The preliminary 3.5-magnitude earthquake hit just before 5 p.m. on Tuesday, about four miles northwest of Rialto, according ...

A preliminary magnitude-4.3 earthquake and smaller quakes in the San Bernardino area produced shaking Thursday morning that was felt over widespread parts of Southern California. The quake, reported ...

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

The quakes struck near Rialto, Ontario and Lytle Creek in San Bernardino County, producing weak to light shaking, according ...

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data ...

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