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The 1811–1812 New Madrid earthquakes /nuː ˈmædrɨd/ were an intense intraplate earthquake series beginning with an initial pair of very large earthquakes on December 16, 1811. These earthquakes remain the most powerful earthquakes to hit the eastern United States in recorded history. These events, as well as the seismic zone of their occurrence, were named for the Mississippi River town of New Madrid, then part of the Louisiana Territory, now within Missouri.
Originally posted by VeniVidi
Living in Southern Illinois I am always on the look out. I remember a few years back this professor was on TV every day talking about the New Madrid fault. He was certain that it was ready to go at any time.
Just the other day I was reading some articles about the "sand blows", and how the Mississippi ran backwards. Must have been a mighty powerful quake..