The fault crosses the town of New Madrid, Missouri, which was severely affected by 1000 earthquakes between 1811 and 1812. New Madrid was founded in 1788 when Missouri, then part of the Louisiana...
The New Madrid Seismic Zone is made up of reactivated faults that formed when North America began to split or rift apart during the breakup of the supercontinent Rodinia in the Neoproterozoic Era...