Arkansas vs Kentucky Earthquake Risk

Arkansas has a higher earthquake risk with a score of 5/10 (Moderate) compared to Kentucky at 3/10 (Low-Moderate). This means Arkansas faces more frequent and potentially more destructive seismic events.

Arkansas averages approximately 40 earthquakes per year, while Kentucky averages about 10 per year. Arkansas experiences roughly 30 more earthquakes annually.

Arkansas is associated with New Madrid Seismic Zone (NE corner). Kentucky is associated with New Madrid (western KY). These fault systems determine the type and frequency of seismic activity each state experiences.

In Arkansas, approximately 20% of the population lives in areas at risk from earthquakes, compared to 15% in Kentucky. Arkansas has a larger percentage of residents exposed to seismic hazard.

Arkansas's most notable earthquake: 1811 New Madrid (epicenter nearby). Kentucky's most notable earthquake: 1980 Sharpsburg (M5.2). These historical events illustrate the seismic potential of each state.