Arkansas vs Massachusetts Earthquake Risk

Arkansas has a higher earthquake risk with a score of 5/10 (Moderate) compared to Massachusetts 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 Massachusetts averages about 5 per year. Arkansas experiences roughly 35 more earthquakes annually.

Arkansas is associated with New Madrid Seismic Zone (NE corner). Massachusetts is associated with Cape Ann seismic zone. 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 10% in Massachusetts. Arkansas has a larger percentage of residents exposed to seismic hazard.

Arkansas's most notable earthquake: 1811 New Madrid (epicenter nearby). Massachusetts's most notable earthquake: 1755 Cape Ann (M6.0). These historical events illustrate the seismic potential of each state.