“font-family: Verdana; font-size: 13px;”>Ten new geologic maps that are critical to seismic modeling are available for portions of St. Louis County and St. Louis City, thanks to the Missouri Department of Natural Resources through the St. Louis Area Earthquake Hazards Mapping Project component of the National Earthquake Hazards Reduction Program.
“font-size: 10.0pt; font-family: Verdana;”>Areas of map coverage include Alton, Cahokia, Clayton, Elsah, Florissant, Grafton, O’Fallon, Oakville, Webster Groves and Wentzville. The department’s Division of Geology and Land Survey authored the maps along with previously published Columbia Bottom and Granite City maps. Project partners include the Missouri Department of Transportation, the Missouri University of Science and Technology, Rolla, and the Illinois Geological Survey.
“font-size: 10.0pt; font-family: Verdana;”>Activities are planned for the bicentennial of the Great New Madrid earthquakes of 1811-12 including a multi-state “ShakeOut” earthquake drill April 28, and a National level earthquake response training exercise May 16-20, focused on a coordinated local, state and federal response to a magnitude 7.7 earthquake.
“font-size: 10.0pt; font-family: Verdana;”>The ShakeOut is an earthquake preparedness drill that provides everyone a chance to practice the “Drop, Cover and Hold On” protective actions that should be taken in the event of a real earthquake.
“font-size: 10.0pt; font-family: Verdana;”>Geologic maps and other items are available for purchase at the Division of Geology and Land Survey, 111 Fairgrounds Road, Rolla or you may order online at or by calling 573-368-2125.