A series of unexpected events in 1811 and 1812 caused some strange phenomena and gave birth to countless legends. Sand volcanoes. The Mississippi running backward. Miles-long chasms opening in the earth. But only some of these weird occurrences are the truth. Have you ever heard of the New Madrid earthquakes? DOWNLOAD NOW Credit: For this episode, I had the pleasure of speaking with Jeff Grunwald, administrator of the New Madrid Historical Museum, and Seth Stein, a seismologist and geophysicist at Northwestern University in Evanston, Illinois and author of several papers and books on the New Madrid earthquakes. Sources: The 10 Deadliest Earthquakes in US History; Mason, Betsy; Wired; November 21, 2008. Strange Happenings During the Earthquakes; City of New Madrid; Retrieved July 2018. Summary of 1811-1812 New Madrid Earthquakes Sequence; United States Geological Survey; Retrieved July 2018. Disaster Deferred: How New Science is Changing our View of Earthquake Hazards in the Midwest; Stein, Seth; Columbia University Press; 2010. Teaching about New Madrid earthquakes: science and hazards; Stein, Seth; Illinois State University; 2011. The New Madrid Earthquakes of 1811-1812; Soddalter, Rod; Missouri Life; February 7, 2018. The Lost History of the New Madrid Earthquakes; Bolton Valencius, Conevery; University of Chicago Press; September 25, 2013.

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