United States Geological Survey

from St. Louis on the Air
8:48 am
Thu February 10, 2011

200 years later, what's shaking in the New Madrid Seismic Zone?

a portion of Geologic Investigations Map I-2812 (US Geological Survey) / Wheeler R.L.

Tomorrow marks the St. Louis kickoff of the bicentennial events commemorating the earthquakes that struck the New Madrid Seismic Zone in 1811-12.  You’ve probably heard stories about those quakes: that church bells rang in Boston, that the Mississippi River ran backwards. Much of that, it turns out, is legend.  So what do we know about the New Madrid fault and the risk it poses to the modern Midwest?

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