Several of the largest historical earthquakes to strike the continental United States occurred in the winter of 1811-1812 along the New Madrid Seismic Zone, which stretches from just west of Memphis, Tennessee into southern Illinois. These earthquakes produced at least three temblors between magnitude 7-8, and hundreds of aftershocks.
In 2011 and 2012, there will be events held throughout the central United States observing the 200th Anniversary of the great 1811 and 1812 New Madrid earthquakes that forever changed the mid-western landscape. These quakes were felt across the U.S. and as far south as the Gulf of Mexico, and as far north as Canada. Organizations from across the United States will participate in the bicentennial events, which range from conferences, workshops, public outreach events, multi-state earthquake exercises, field trips, and more.
The New Madrid Bicentennial (NMB) events are being organized by the following organizations, with additional help from many volunteers across the region and nation. Our success in promoting earthquake awareness could not be possible with out their help.
Alabama Emergency Management Agency
Alabama Geological Survey
American Red Cross
Arkansas Dept. of Emergency Management
Arkansas Geological Survey
Arkansas Governor's Seismic Advisory Council
Center for Earthquake Research and Information
Central U.S. Earthquake Consortium
Delta Regional Authority
Earthquake Engineering Research Institute
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Federal Emergency Management Agency
Illinois Emergency Management Agency
Illinois Geological Survey
Indiana Dept. of Homeland Security
Indiana Geological Survey
Kentucky Division of Emergency Management
Kentucky Geological Survey
Mid-America Earthquake Center
Mississippi Emergency Management Agency
Mississippi Geological Survey
Missouri Dept. of Natural Resources
Missouri Seismic Safety Commission
Missouri State Emergency Management Agency
National Earthquake Hazards Reduction Program
Tennessee Dept. of Environment and Conservation
Tennessee Emergency Management Agency
U.S. Geological Survey
West Tennessee Seismic Safety Commission
Please join us in thanking these organizations and numerous volunteers working to make the NMB and associated events possible.
American Red Cross
Indiana Department of Homeland Security
Illinois Emergency Management Agency
Kentucky Division of Emergency Management
Mississippi Emergency Management Agency
State of Missouri Emergency Management Agency
Tennessee Emergency Management Agency
Earthquake Engineering Research Institute
Delta Regional Authority
Missouri Department of Natural Resources
Tennessee Department of Environment and Conservation
Illinois State Geological Survey
Arkansas Geological Survey
Mid-America Earthquake Center
Northeast States Emergency Consortium
Western States Seismic Policy Council
National Earthquake Hazards Reduction Program