>> AND THE UNITED STATES GEOLOGICAL SURVEY REPORTS AN EARTHQUAKE WITH A MAGNITUDE OF 2.3 THAT WAS MEASURED IN NEW MADRID COUNTY, MISSOURI. IT HAPPENED EARLIER THIS MORNING. EXPERTS WARN THAT A WARNED ...

Learn about the New Madrid Seismic Zone and the potential risks of a major earthquake in the central United States. This video explores geological activity, historical earthquakes, and what scientists ...

It was two o'clock in the morning on Dec. 16, 1811, less than a week before Christmas, and many homesteaders new to the frontier in the Louisiana Purchase were fast asleep in the new American frontier ...