Massachusetts vs North Carolina Earthquake Risk

Massachusetts has a higher earthquake risk with a score of 3/10 (Low-Moderate) compared to North Carolina at 2/10 (Low). This means Massachusetts faces more frequent and potentially more destructive seismic events.

Massachusetts averages approximately 5 earthquakes per year, while North Carolina averages about 5 per year. North Carolina experiences roughly 0 more earthquakes annually.

Massachusetts is associated with Cape Ann seismic zone. North Carolina is associated with Eastern Tennessee Seismic Zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In Massachusetts, approximately 10% of the population lives in areas at risk from earthquakes, compared to 5% in North Carolina. Massachusetts has a larger percentage of residents exposed to seismic hazard.

Massachusetts's most notable earthquake: 1755 Cape Ann (M6.0). North Carolina's most notable earthquake: 1916 Asheville area (M5.5). These historical events illustrate the seismic potential of each state.