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 ...

Alaska was jolted by a 7.3-magnitude earthquake on Wednesday afternoon. Tsunami information was not immediately available.

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

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

A 4.3-magnitude earthquake jolted a lake shoreline Friday, July 11, in Southern California, the U.S. Geological Survey reported. Then dozens of smaller quakes followed. The 6.5-mile-deep quake hit ...

Was that an earthquake you just felt or merely a big truck rumbling by? You don't have to wonder thanks to the U.S.

A lightly populated stretch of Alaska’s southern coast was under a tsunami warning after the magnitude 7.3 quake was felt ...

The goal is to determine whether it’s safe to build taller structures using cold-formed steel — a strong, lightweight, ...

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 ...