Arizona vs New Mexico Earthquake Risk

New Mexico has a higher earthquake risk with a score of 4/10 (Moderate) compared to Arizona at 3/10 (Low-Moderate). This means New Mexico faces more frequent and potentially more destructive seismic events.

Arizona averages approximately 20 earthquakes per year, while New Mexico averages about 40 per year. New Mexico experiences roughly 20 more earthquakes annually.

Arizona is associated with Basin and Range faults. New Mexico is associated with Rio Grande Rift, Socorro Magma Body. 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 30% in New Mexico. New Mexico has a larger percentage of residents exposed to seismic hazard.

Arizona's most notable earthquake: 1887 Sonoran (M7.2, felt in AZ). New Mexico's most notable earthquake: 1906 Socorro (M6.0). These historical events illustrate the seismic potential of each state.