Cascadia subduction zone

Juan de Fuca Plate
The Cascadia Subduction Zone (CSZ) is a 1,000 km (620 mi) long dipping fault that stretches from Northern Vancouver Island to Cape Mendocino in northern California.
The last megathrust earthquake at the Cascadia subduction zone was the 1700 Cascadia earthquake, estimated to have a moment magnitude of 8.7 to 9.2.
Tsunami wave simulation for Grays Harbor, Wash. (youtube.com) Tsunami wave simulation for Grays Harbor, Washington, from a hypothetical magnitude 9.0 earthquake (L1) scenario on the Cascadia subduction zone. Developed by Washington Geological Survey hazard geologists.

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The Cascadia Subduction Zone (CSZ) is a 1,000 km (620 mi) long dipping fault that stretches from Northern Vancouver Island to Cape Mendocino in northern California.

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