A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake ...

A moderately strong, 5.2-magnitude earthquake struck in Southern California on Monday, according to the United States Geological Survey. The temblor happened at 10:08 a.m. Pacific time about 2 ...

Earthquakes along the San Andreas in 1857 (Southern California) and 1906 (Northern California) probably were each an estimated magnitude 7.9. The Newport-Inglewood/Rose Canyon fault runs under ...

The fault has moved the curbs as much as a handspan, around 18 centimeters, since the time they were installed, up to 60 ...

The Elsinore fault, part of a larger seismic zone, poses a significant threat in Southern California despite being lesser-known than the San Andreas fault.

Dozens of aftershocks have been recorded since a 5.2 quake hit Southern California. Could a larger quake be next?

What is the Elsinore Fault Zone? The Elsinore Fault Zone, a major fault line in Southern California and part of the San Andreas Fault system, is in this area. It is one of the largest in southern ...

While California's 750-mile-long San Andreas Fault is notorious, experts believe a smaller fault line possesses a greater threat to lives and property in the southern part of the state.

LOS ANGELES – There have been more than 277 aftershocks to Tuesday's magnitude 5.2 earthquake in Southern California, two with a magnitude 4.0 or greater – but the likelihood of another ...

Tiny Puente Hills earthquake fault system can pack a punch. Southern California just got a reminder The Puente Hills fault system is back in focus after a 4.4-magnitude earthquake near Highland Park.