Scientists have simulated potential future earthquakes on the New Madrid Seismic Zone, centered in northeast Arkansas, southeast Missouri, and northwest Tennessee. The region experienced a devastating series of quakes in the early 19th century. Based on that record, a twenty-first century quake, experts say, could produce a magnitude 7 plus event, shaking places like Memphis and Little Rock for prolonged periods.
A New Madrid Quake Could Be Both Prolonged and Strong, New Study Says
