General Information Product 115
This publication is an update of an earlier report, U.S. Geological Survey (USGS) Geologic Investigation I–2812 by Wheeler and others (2003), titled “Earthquakes in the Central United States—1699–2002.” Like the original poster, the center of the updated poster is a map showing the pattern of earthquake locations in the most seismically active part of the central United States. Arrayed around the map are short explanatory texts and graphics, which describe the distribution of historical earthquakes and the effects of the most notable of them. The updated poster contains additional, post 2002, earthquake data. These are 38 earthquakes covering the time interval from January 2003 to June 2010, including the Mount Carmel, Illinois, earthquake of 2008. The USGS Preliminary Determination of Epicenters (PDE) was the source of these additional data. Like the I–2812 poster, this poster was prepared for a nontechnical audience and designed to inform the general public as to the widespread occurrence of felt and damaging earthquakes in the Central United States. Accordingly, the poster should not be used to assess earthquake hazard in small areas or at individual locations.
First posted October 20, 2010
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Dart, R.L. and Volpi, C.M., 2010, Earthquakes in the Central United States, 1699–2010: U.S. Geological Survey General Information Product 115, 1 sheet.