Arizona vs North Carolina Earthquake Risk

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

Arizona averages approximately 20 earthquakes per year, while North Carolina averages about 5 per year. Arizona experiences roughly 15 more earthquakes annually.

Arizona is associated with Basin and Range faults. North Carolina is associated with Eastern Tennessee Seismic Zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In Arizona, approximately 15% of the population lives in areas at risk from earthquakes, compared to 5% in North Carolina. Arizona has a larger percentage of residents exposed to seismic hazard.

Arizona's most notable earthquake: 1887 Sonoran (M7.2, felt in AZ). North Carolina's most notable earthquake: 1916 Asheville area (M5.5). These historical events illustrate the seismic potential of each state.