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Earthquakes along the West Coast and the Cascadia Subduction Zone

Earthquakes along the West Coast and the Cascadia Subduction Zone. Past Earthquakes along the West Coast. In the past 70 years alone, over 100 M=5 earthquakes have hit the west coast. Examples of large scale earthquakes: M = 9.0: Cascadia , 1700 M = 7.0: Vancouver Island, 1918

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