Original article source: More earthquakes shake Southern California after pair of quakes rattle nation's most populous metros ...

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

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

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

Residents living in the Inland Empire may have been woken by a series of earthquakes that shook the area during the early morning hours on Wednesday. The first was a 3.5 magnitude quake that ...

Several small earthquakes hit the Inland Empire early Wednesday morning, but there were no reports of damage. Ontario saw two ...

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

SAN BERNARDINO COUNTY, Calif. - Three earthquakes struck in the Inland Empire overnight, data from the U.S. Geological Survey shows. The USGS said the first two temblors happened in Ontario. The first ...

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning.

A magnitude-2.7 earthquake was reported Friday morning in the San Bernardino County community of Rialto. The quake was centered just north of Rialto and Fontana. Shaking was reported at about 9:30 a.m ...

A 3.9-magnitude earthquake was reported in California on Thursday (August 14), according to the United States Geological ...