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

The next major Pacific Northwest earthquake could cause coastal land to sink by up to 6.5 feet in a matter of minutes, a new ...

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

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

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