cascadia subduction zone

Cascadia Fault – Mega Earthquake Looms Off Pacific Northwest

  The Cascadia Subduction Zone The Cascadia subduction zone runs seven hundred miles off the coast of the Pacific Northwest. It starts at the northern end of California near Cape Mendocino, runs up the entire length of Oregon and Washington, and continues to at least the middle of Vancouver Island, Canada. The “Cascadia” part of […]

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