Map New Madrid Seismic Zone

Map of earthquakes in New Madrid/Wabash Valley

Detailed Description

This map shows earthquakes (circles) of the New Madrid and Wabash Valley seismic zones (orange patches). Red circles indicate earthquakes that occurred from 1974 to 2002 with magnitudes larger than 2.5 located using modern instruments (University of Memphis). Green circles denote earthquakes that occurred prior to 1974 (USGS Professional Paper 1527). Larger earthquakes are represented by larger circles.


Image Dimensions: 375 x 414

Location Taken: US