Summary: In the early 1800s, the New Madrid Seismic Zone, centered in the southeast corner of Missouri, was the site of the largest earthquake in U.S. history. The question is not if another quake will occur in that area, but when will it happen. Listen to Kay Goss's roundtable discussion on National Level Exercise 2011, which will address this pressing concern and help the nation be better prepared for the next "big one."
