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

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

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 ...

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

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 ...

While not a household name like the San Andreas, the Elsinore fault is part of a larger seismic zone that experts fear and ...

A future Cascadia earthquake could unleash far more than just devastating shaking — it could sink large parts of the Pacific Northwest coastline, dramatically expanding flood zones and leaving ...

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

A 3.1-magnitude earthquake struck near Rio Vista in Northern California, the U.S. Geological Survey reported. Getty Images/iStockphoto A 3.1-magnitude earthquake shook Friday, April 4, in Northern ...