Taxonomy term

new madrid seismic zone

Benchmarks: December 16, 1811-February 7, 1812: The New Madrid earthquakes strike the Heartland

This winter marks the bicentennial of a series of powerful intraplate earthquakes that occurred in the central United States over a two-month period beginning on Dec. 16, 1811. Named for New Madrid, one of the settlements on the Mississippi River, these tremors were among the largest historic earthquakes to occur east of the Rocky Mountains.

16 Dec 2011