Colorado vs New Mexico Earthquake Risk

Colorado and New Mexico share the same risk score of 4/10 (Moderate). Both states face similar levels of seismic hazard, though the specific fault systems and earthquake characteristics differ.

Colorado averages approximately 50 earthquakes per year, while New Mexico averages about 40 per year. Colorado experiences roughly 10 more earthquakes annually.

Colorado is associated with Rio Grande Rift. 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 Colorado, approximately 25% 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.

Colorado's most notable earthquake: 1882 Northern Colorado (M6.6). New Mexico's most notable earthquake: 1906 Socorro (M6.0). These historical events illustrate the seismic potential of each state.