When an earthquake rips along the Cascadia Subduction Zone fault, much of the U.S. West Coast could shake violently for five minutes, and tsunami waves as tall as 100 feet could barrel toward shore.

The world’s most active volcano and earthquake zone is roaring to life, leading to potential of “the big one” – and a ...

The last time this Cascadia subduction zone shook off a major earthquake was in 1700. Since then, the coastline has been rising by 0.04 to 0.12 inch (1 to 3 millimeters) a year, slightly outpacing ...

The Kamchatka Peninsula earthquake may not have brought the same devastation as previous shocks, but a far more deadly seismic event is looming for the US West Coast.

An earthquake in the Cascadia Subduction Zone with a magnitude greater than 8.0 could cause a sudden subsidence — the sinking of land — that, paired with rising sea levels, would enlarge ...

The tsunami wave from an anticipated earthquake off the West Coast could reach 100 feet and permanently flood parts of the coast.

The Pacific Northwest is being taken for a ride. At the Cascadia Subduction Zone—a 700-mile fault that runs all the way from California to British Columbia—two giant tectonic plates are locked ...

A powerful 8.8-magnitude earthquake struck off Russia's Far East coast early Wednesday, prompting tsunami warnings across the ...