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KGS Home > Geologic Hazards
4.1 Magnitude Earthquake on May 1, 2005

A light earthquake occurred May 1, 2005 at about 7:37 a.m. Central Time in the New Madrid Seismic Zone near Manila , Arkansas . Registering 4.1 on the Richter scale, the quake occurred at 9.7 kilometers (6.0 miles) underground. For more information on this event, see this USGS site: https://earthquake.usgs.gov/eqinthenews/2005/nmhwb0501a/. The earthquake was recorded on instruments in the Kentucky Seismic and Strong Motion Network, operated jointly by the Kentucky Geological Survey and the Geological Sciences Department at the University of Kentucky . The graphic below is the actual record of the earthquake made by 11 Network instruments.

 

 

Archived Material Notice

The Kentucky Geological Survey has archived this material, meaning (1) it is for reference, research, or recordkeeping; (2) it was created before April 24, 2026; (3) and the material has not been changed or altered since being archived. Please refer to our KGS Accessibility page for more information.

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Last modified August 1, 2012 .