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

More than 17,000 people in Oregon, Washington and California could almost instantly be living in a floodplain, the ...

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, ...

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