Seismic Activity
The Wabash Valley Fault System in southeastern Illinois, southwestern Indiana, and adjacent corner of Kentucky extends about 60 miles north-northeastward from just north of the Shawneetown and Rough Creek Fault Zones.
A Magnitude 5.2 quake took place in the Wabash zone on April 18, 2008 at 09:37 UTC (04:37 CST), about 41 miles NNW of Evansville, Indiana, near the community of West Salem, Illinois. It was felt all across southern Illinois, southern Indiana, western and central Kentucky and eastern Missouri, waking people up in Chicago and St. Louis, 123 miles away. This was followed by several aftershocks and a second, magnitude 4.6 quake at 15:14 UTC (10:14 CST). There were no injuries or serious damage reported late Friday morning, April 18, 2008. In Mt. Carmel, Illinois, 15 southeast of the epicenter, a woman was reported trapped in her home by a collapsed porch but was quickly freed and wasn't hurt, said Mickie Smith, a police dispatcher there.
The earthquake occurred coincidentally on the 102nd anniversary of the 1906 San Francisco earthquake.
The largest quake to have taken place in this Zone was a 5.4 earthquake in 1968.
Read more about this topic: Wabash Valley
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