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

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

It was history. On March 11, 2011, the Great East Japan Earthquake, magnitude 9.0, struck 80 miles off the Northeast Coast of Japan, generating a series ...