One of the most unusual geological events in the history of the United States, and likely in all of North America, was the Great Missouri Earthquake of 1811 What makes it so unusual is its location in the center of the North American continent. This is a place that is not on a continental shelf, near no coastlines, and not near any major volcanoes or fault lines. Yet, it was one of the most devastating earthquakes east of the Rocky Mountains in North American history...