Study: New Madrid Fault Zone Alive And ActiveGeologists warn there's a 7 to 10 chance of a large earthquake in the next 50 years.
Expert: Mississippi River, Tributaries Compound Area Sinkhole ProblemDr. J. David Rogers says the phenomenon is nothing new and can be traced back to the Paleozoic Era, beginning roughly 541 million years ago.
Today Marks Bicentennial of Massive Earthquake200 years ago, an earthquake of 7.0 magnitude rocked Missouri.

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