Earthquakes+in+missouri...

Geologic studies indicate large earthquakes occurred within the southeastern Missouri region in approximately 300, 900, and 1400 AD. Lesser quakes M 4.6 or smaller occurred in 1990, 1992, 1998 and 2003 in areas ranging from central Missouri to the Bootheel in the southeastern Missouri. http://www.dnr.mo.gov/geology/geosrv/geores/historymoeqs.htm -Alyse....W

A Missouri earthquake on **November 4, 1905**, cracked walls in Cairo. Aftershocks were felt over 100,000 square miles in nine states. In Illinois it cracked the wall of the new education building in Cairo and a wall at Carbondale. http://earthquake.usgs.gov/earthquakes/states/illinois/history.php -Alyse....W