Montana vs Ohio Earthquake Risk

Montana has a higher earthquake risk with a score of 6/10 (Moderate-High) compared to Ohio at 2/10 (Low). This means Montana faces more frequent and potentially more destructive seismic events.

Montana averages approximately 150 earthquakes per year, while Ohio averages about 5 per year. Montana experiences roughly 145 more earthquakes annually.

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

In Montana, approximately 50% of the population lives in areas at risk from earthquakes, compared to 5% in Ohio. Montana has a larger percentage of residents exposed to seismic hazard.

Montana's most notable earthquake: 1959 Hebgen Lake (M7.3). Ohio's most notable earthquake: 1986 Perry (M5.0). These historical events illustrate the seismic potential of each state.