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

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

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 ...

A major earthquake may strike the Pacific Northwest region resulting in sinking the coastal land by almost seven feet, ...

The brief taste of summer heat is expected to fade around Portland Friday as a weak front brings the chance of rain back to ...