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 4.4-magnitude earthquake centered just west of Muscoy, and north of San Bernardino, rattled Southern California at 9:32 a.m ...

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

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

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.

A slew of earthquakes shook up the Salton Sea region of Southern California within 24 hours over the weekend, with the seismic activity reaching up to 4.5 in magnitude.

Also well known in L.A. is the Newport-Inglewood fault, which unleashed the 1933 Long Beach earthquake — the deadliest temblor in Southern California’s modern history.

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