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Figure 12. Epicenters of earthquakes in the Pacific Northwest since 1960. Only the largest earthquakes near Mount St. Helens are indicated. Note the position of the Ca scadia subduction zone relative to Washington's coast and that epicentral locations mark plate boun daries shown in Figure 8. (Data from the National Oceanic and Atmospheric Administration and the Univ ersity of Washington.)

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Next figure-- Previous figure-- Table of Contents-- Pacific Northwest Earthquakes

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