A new study warns that a megathrust earthquake along the Cascadia Subduction Zone could cause coastal land to sink permanently.

The earthquake was centered near at a depth of 4.5 kilometers (about 2.8 miles). The USGS said it received zero reports of ...

A 2.7-magnitude earthquake felt by scores of people shook the northern San Francisco Bay Area in California early Tuesday, April 29, the U.S. Geological Survey reported. The nearly 6-mile deep quake ...

When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five ...

The quake centered near San Diego, but shockwaves were felt as far as Los Angeles more than 100 miles away, according to the ...

The Cascadia Subduction Zone, a major fault that runs offshore from Northern California to British Columbia, is best known ...

The temblor was detected near Julian, California. There were no immediate reports of major damage or injuries.

Monday's 5.2 magnitude temblor marked another success for California's early earthquake warning system, with users in some ...

At about 11:46 p.m. Sunday, a magnitude 3.2 earthquake struck about 9 miles west-southwest of Johannesburg, according to the ...

The world's only population of wild Devils Hole pupfish shrank to 38 members after two earthquakes greatly affected the ...

The study, published Monday in the Proceedings of the National Academy of Sciences (PNAS), found that a major earthquake ...

Leveraging reporter Julie Watson’s long-standing relationship with the San Diego Zoo, an AP all-formats team produced a ...