1909_Wabash_River_earthquake

The 1909 Wabash River earthquake occurred at 04:45 local time on September 27 with a maximum Mercalli intensity of VII (Very strong). It measured 5.1 on a seismic scale that is based on an isoseismal map or the event's felt area. With moderate damage in the Wabash River Valley, it is currently the strongest earthquake recorded in the U.S. state of Indiana. The earthquake occurred somewhere along a fault within the Wabash Valley Seismic Zone.