Two centuries after New Madrid quakes, what's next?

Friday, December 16, 2011 | 1:53 p.m. CST; updated 8:38 p.m. CST, Saturday, December 17, 2011

MEMPHIS, Tenn. — The United States was still a young nation when three major earthquakes rocked the central Mississippi River valley in the winter of 1811-1812.

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