Free Republic

To the surprise of many, the earthquake on April 18, 2008, about 120 miles east of St. Louis, originated in the Wabash Valley Fault and not the better-known and more-dreaded New Madrid Fault in Missouri's bootheel. The concern of Douglas Wiens, Ph.D., and Michael Wysession, Ph.D., seismologists at Washington University in St. Louis, is that the New Madrid Fault may have seen its day and the Wabash Fault is the new kid on the block. The earthquake registered 5.2 on the Richter scale and hit at 4:40 a.m. with a strong aftershock occurring at approximately 10:15 a.m. that morning, followed...

Magnitude 4.5 Date-Time * Monday, April 21, 2008 at 05:38:30 UTC * Monday, April 21, 2008 at 12:38:30 AM at epicenter Location 38.473°N, 87.823°W Depth 10 km (6.2 miles) set by location program Region ILLINOIS Distances * 8 km (5 miles) NW (323°) from Mount Carmel, IL * 12 km (7 miles) WSW (238°) from Allendale, IL * 12 km (8 miles) NE (37°) from Bellmont, IL * 35 km (22 miles) SW (230°) from Vincennes, IN * 60 km (37 miles) NNW (337°) from Evansville, IN * 211 km (131 miles) E (94°) from St. Louis, MO Location Uncertainty...