Just after 2 o’clock AM of December 16, 1811, the Mississippi River valley was hit by an earthquake so strong that it awakened people in cities as distant at Pittsburgh, Pennsylvania, and Norfolk, Virginia.(Page) This shock started what must have been the most frightening sequence of earthquakes ever to occur in the United States. The strong shaking continued through March 1812 and aftershocks strong enough to be felt occurred through the year 1817. The initial earthquake of December 16 was followed by two other principal shocks, one on January 23, 1812, and the other on February 7, 1812. (Nuttli) No other earthquakes have lasted so long or produced so much evidence of damage as the New Madrid earthquakes. Three of the earthquakes are on the list of America’s top earthquakes: the first one on December 16, 1811, a magnitude of 8.1 on the Richter scale; the second on January 23, 1812, at 7.8; and the third on February 7, 1812, at as much as 8.(Page)…