Earthquakes in southeast Missouri are not rare. Four earthquakes measuring magnitude 4.5 or greater occurred in the zone in 1976, 1990 and 1991. A magnitude 4.2 earthquake occurred near Sullivan, Missouri in 2011.
Data collected from the New Madrid Earthquake Catalog maintained by the Center for Earthquake Research and Information is available. Search the catalog for occurrences, create a map, and learn more about earthquakes in the New Madrid Seismic Zone.
Data collected from the New Madrid Earthquake Catalog maintained by the Center for Earthquake Research and Information. Search the New Madrid Earthquake Catalog for other occurrences, create a map and learn more about occurrences in the New Madrid Seismic Zone.