Side-by-side comparison of earthquake risk profiles
Montana has a higher earthquake risk with a score of 6/10 (Moderate-High) compared to Virginia at 3/10 (Low-Moderate). This is a significant difference in seismic hazard.
Montana
Moderate-HighVirginia
Low-Moderate| Metric | Montana | Virginia |
|---|---|---|
| Risk Score | 6/10 | 3/10 |
| Risk Level | Moderate-High | Low-Moderate |
| Annual Earthquake Rate | 150/yr | 5/yr |
| Population at Risk | 50% | 10% |
| Major Faults | Intermountain Seismic Belt, Lewis & Clark zone | Central Virginia seismic zone |
| Notable Earthquake | 1959 Hebgen Lake (M7.3) | 2011 Mineral (M5.8) |