One of the largest earthquakes ever to strike the US—and possibly one of the strongest earthquakes in human history—the New Madrid earthquake is said to have made the Mississippi River run backwards, permanently changing its course and redefining state boundaries. Though it struck a sparsely populated area near modern-day New Madrid, Missouri, the quake was felt across the country, ringing church bells as far away as Boston, Massachusetts. What large lake did it create in Tennessee? Discuss
Source: The Free Dictionary