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Earthquake Mags from Reported Intensities in Central/Eastern US-1811/12 New Madrid MO, 1886 Charleston SC Boyd BSSA http://t.co/O28SAWqHBf
Earthquake Mags from Reported Intensities in Central/Eastern US-1811/12 New Madrid MO, 1886 Charleston SC Boyd BSSA http://t.co/O28SAWqHBf