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

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

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

A Cascadia Subduction Zone earthquake could cause long-lasting changes to Washington’s landscape, coastline and floodplain, a ...

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

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

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

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 ...

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

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