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

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, frequent and widespread flooding from rising seas that follows will take ca ...

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