Idaho vs Indiana Earthquake Risk

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

Idaho averages approximately 100 earthquakes per year, while Indiana averages about 5 per year. Idaho experiences roughly 95 more earthquakes annually.

Idaho is associated with Lost River, Lemhi, Beaverhead faults. Indiana is associated with Wabash Valley Seismic Zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In Idaho, approximately 45% of the population lives in areas at risk from earthquakes, compared to 5% in Indiana. Idaho has a larger percentage of residents exposed to seismic hazard.

Idaho's most notable earthquake: 1983 Borah Peak (M6.9). Indiana's most notable earthquake: 2008 Mt. Carmel (M5.2, nearby). These historical events illustrate the seismic potential of each state.