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

Multiple earthquakes shook Southern California hours after a tremor was felt on the East Coast on Aug. 5, according to data from the U.S. Geological Survey. One quake hit Rialto, California, in the ...

California’s Central Valley is still sinking. This reality has had scientists worried for more than a century, but a recent ...

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

A magnitude 4.4 earthquake hit Southern California on Thursday morning, according to the U.S. Geological Society.

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

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

A light, 4.3-magnitude earthquake struck in Southern California on Thursday, according to the United States Geological Survey ...

A 3.1-magnitude earthquake shook the San Francisco Bay Area in California, the U.S. Geological Survey reported. The nearly ...

The National Weather Service issued a tsunami watch for the West Coast after an earthquake struck off Russia's Kamchatka ...