It's a matter of when -- not if -- a significant earthquake will shake the Pacific Northwest, and a new study says some areas ...

When Washingtonians talk about the possibility of a major earthquake in the Cascadia Subduction Zone, the conversation ...

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

A major earthquake waiting to strike the Cascadia Subduction Zone isn’t the only natural disaster looming in the Pacific ...

If the once-every-500-year Cascadia Subduction Zone earthquake doesn’t do enough damage to the coastal Northwest on its own, ...

New research shows that in minutes after the earthquake hits, coastal areas of California, Oregon and Washington could drop ...

A big earthquake along the Cascadia fault could cause Washington's coastal lands to suddenly drop nearly 7 feet, instantly ...

A recent study found that a powerful quake off the Pacific Northwest could force the ground to sink up to 2 m, leading to ...

The geology of the Cascadia subduction zone has largely staved off climate-related sea-level rise in the Pacific Northwest, ...

Washington state has seen several recent earthquakes ranging from small tremors near Tacoma and Vashon Island to larger ...

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

Cascadia is the Northwest's bid for economic might in the age of Donald Trump. It's not a secession movement but an effort to ...