Cascadia

American  

[kas-key-dee-uh] / kæsˈkeɪ di ə /

noun

1. another term for the Pacific Northwest, often used to refer to this area specifically as an environmentally significant bioregion.

---

Example Sentences

"We are saddened to confirm that the whale seen in the Willapa River over the past few days is deceased," the Cascadia Research Collective said in an update on Facebook on Saturday.

From BBC • Apr. 6, 2026

Two adult gray whales washed up dead in the nearby Ocean Shores area earlier in April, Cascadia Research Collective said.

From BBC • Apr. 6, 2026

Due to the war, Mideast steelmakers have backed out of contracts to supply Canada-based Cascadia Metals with hundreds of containers of steel and aluminum, according to Jim Ritchie, its chief executive.

From The Wall Street Journal • Apr. 1, 2026

This area marks the meeting point of the San Andreas fault and the Cascadia subduction zone, a place capable of producing powerful and destructive earthquakes.

From Science Daily • Jan. 17, 2026

The authors suggest that, for thousands of years, large earthquakes on the Cascadia subduction zone were quickly followed by large earthquakes on the northern San Andreas fault.

From Los Angeles Times • Oct. 7, 2025