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Figure 13. Epicenters and dates of the largest Pacific Northwest earthquak es that occurred between 1872 and 1987. The large symbols are epicenters of earthquakes whose maximum intensities were reported as VIII or greater on the Modified Mercalli Intensity Scale (MM) (Table 1); smaller symbols are MM intensities of VII. The locations of principal volcanoes in the region are also shown.

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

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