About 45% of California's faults, including the southern San Andreas, fall into this overdue category, per the study published in JGR Solid Earth.In contrast, 9% to 18% of faults in other quake ...

On July 21, 1952, a magnitude 7.5 earthquake in Kern County was strongly felt in the Valley, shaking residents ...

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

A minor, 3.7-magnitude earthquake struck in Southern California on Thursday. It was followed by a larger, 4.3-magnitude quake nearby a few hours later, according to the United States Geological Survey ...

LOS ANGELES -- A powerful 7.1 earthquake shook Southern California, cracking buildings, ... The new, larger quake was on the same fault and part of the same sequence.

Allen, the Berkeley seismologist, said Southern California has just as high an earthquake risk compared to its Northern California counterparts. "They face a similar threat, if not higher," Allen ...

Beneath Yellowstone’s stunning surface lies a hyperactive seismic world, now better understood thanks to machine learning.

In California, where the next “Big One” is an always-looming threat, some lessons learned from the 1925 Santa Barbara quake ...

An early-morning 3.1-magnitude earthquake woke parts of Southern California, the U.S. Geological Survey reported. The about 7-mile deep quake hit about 6 miles south from Banning in Riverside ...

Near-shore tsunamis, those triggered by earthquakes just off the coast, could pose a particularly dire risk for California’s heavily populated coastal communities.