Japan is no stranger to seismic activity. As one of the most earthquake-prone countries on Earth, it sits atop four major ...

The Cascadia Subduction Zone, stretching from northern California to British Columbia, is one of the most dangerous seismic hotspots in North America, capable of producing a massive 9.0 magnitude ...

Nicknamed the “Big One,” the Cascadia subduction zone earthquake would be 9.0 magnitude and inflict untold damage upon Tacoma, Pierce County.

A new study on the Cascadia fault line breaks down the flooding potential of a 9.0 earthquake, calculating the risk of where and how much land could sink in the Pacific Northwest and Northern ...

For U.S. earthquake scientists, Japan's 'megaquake' warning renewed worries about when and how to warn the public if they find clues that the 'big one' might be coming for the West COast.

Could a monster earthquake sink a portion of Northern California? A new study calculates the risk of where and how much land could sink, but experts say there's something else closer to home that ...