California sits on an active plate boundary where the Pacific and North American plates grind past each other, producing ...

KAHALUU-KEAUHOU, Hawaii — A magnitude-4.6 earthquake shook the Kona Coast on Hawaii’s Big Island at 5:58 p.m. local time on ...

A series of moderate earthquakes rattled the waters off Northern California and southern Oregon early Thursday near the ...

Scientists have confirmed that a mysterious Utah earthquake first detected in 1979 really did occur nearly 90 kilometers ...

A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, ...

South Carolina was shaken by confusion and concern on May 28, after residents across the Midlands reported what sounded and ...

A recent international scientific study has pinpointed Balerma in El Ejido as the Spanish site likely to bear the brunt of ...

From December 1811 to February 1812, the central U.S. was rocked by a series of earthquakes, the last of which was the largest in modern history. The earthquakes were so powerful that they consumed ...

Earthquake? Explosion? Sonic boom? Meteor? People want to know, what was that loud noise heard across Massachusetts?

Last summer, a massive landslide slid into a fjord south of Juneau, Alaska, producing an enormous surge of water that ran up the opposite hillside and sped down the channel, scraping off trees and ...

The deep-seated bedrock of Bermuda, long assumed to have simple volcanic origins, attracted unexpected world attention last ...

A meteor exploded over Massachusetts, creating a powerful sonic boom that rattled homes as it broke apart high in the ...