Missouri vs Montana Earthquake Risk

Missouri and Montana share the same risk score of 6/10 (Moderate-High). Both states face similar levels of seismic hazard, though the specific fault systems and earthquake characteristics differ.

Missouri averages approximately 200 earthquakes per year, while Montana averages about 150 per year. Missouri experiences roughly 50 more earthquakes annually.

Missouri is associated with New Madrid Seismic Zone. Montana is associated with Intermountain Seismic Belt, Lewis & Clark zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In Missouri, approximately 30% of the population lives in areas at risk from earthquakes, compared to 50% in Montana. Montana has a larger percentage of residents exposed to seismic hazard.

Missouri's most notable earthquake: 1811-12 New Madrid (M7.5-7.7). Montana's most notable earthquake: 1959 Hebgen Lake (M7.3). These historical events illustrate the seismic potential of each state.