A long-feared monster earthquake off the coast of California, Oregon and Washington could cause some areas to sink by more ...

This should have West Coasters shaking in their shoes.

The Cascadia subduction zone could pose a major threat to the West Coast if a high magnitude earthquake were to occur, ...

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

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

A long-feared monster earthquake off the U.S. states of California, Oregon and Washington could cause some coastal areas to sink by more than 6 feet, dramatically heightening the risk of flooding and ...

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

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

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

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

The next great earthquake isn't the only threat to the Pacific Northwest. A powerful earthquake, combined with rising sea ...

When a 5.2-magnitude earthquake shook the U.S. city of San Diego on April 14, a video showing five African elephants huddling ...