Were an earthquake to occur along the 150-mile-long New Madrid Fault system -- which has in the past produced quakes in Illinois, Missouri, Arkansas, Tennessee, Kentucky and Indiana -- Army North is ready to assist.
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The exercise scenario featured a 7.7 earthquake along the New Madrid fault, which falls along the Mississippi River.
http://www.military.com/news/article/army-news/army-preps-for-complex-catastrophes-stateside.html
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