Seismotectonic maps in the vicinity of the lower Wabash Valley, Illinois, Indiana, and Kentucky - Digital Spatial Database: Reported Modified Mercalli Intensity values

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Description This cover contains locations with intensity values associated with felt reports from damaging earthquakes in the lower Wabash Valley occurring from 1811 through 1987. Margaret Hopper collated these data from historical data gathered from previous resear
Originators Rhea, Susan
Publication U.S. Geological Survey Open-File Report 97-0681

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