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 ...

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

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 magnitude 3.5 earthquake struck in San Bernardino County on Tuesday afternoon, causing shaking felt as far as Los Angeles ...

A swarm of earthquakes, including one with a magnitude of 4.3, shook San Bernardino County on Thursday morning. According to ...

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

About 5% to 10% of all California earthquakes are followed by a larger one within a week, and the probability of a larger quake depends on how much aftershock activity there is, according to the USGS.

Back-to-back earthquakes hit the Southern California area less than a minute apart Monday, July 28, the U.S. Geological Survey reported. Each earthquake was about 7 miles deep and hit a little more ...

A 3.8 magnitude earthquake hit the coast of Southern California on Sunday morning near Malibu, officials said. The earthquake happened at around 2:29 a.m. local time in the Pacific Ocean, about 12 ...