Scientists discover enormous pockets of salty brine beneath the Pacific Ocean, key to understanding periodic underwater ...

Officials in the community of King Cove, which has about 870 residents and is on the south side of the Alaska Peninsula, sent ...

A recent 7.3 magnitude earthquake off Alaska's Aleutian Peninsula triggered tsunami warnings, stirring memories of the 1958 Lituya Bay megatsunami. While the immediate threat subsided, Alaska's ...

Eerrie sirens rang out across parts of central Alaska Wednesday afternoon after a catastrophic 7.3-magnitude earthquake ...

Why is it so hard to get people to safety? Effective warning systems are complicated, involve a lot of moving pieces, and ...

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

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

SAN DIEGO (KGTV) — An earthquake with a preliminary magnitude of 3.6 has struck about 3 miles west of Borrego Springs in ...

A major California fault once thought to be stable is quietly shifting beneath neighborhoods, schools, and it could lead to a ...

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