South Carolina vs Utah Earthquake Risk

Utah has a higher earthquake risk with a score of 7/10 (High) compared to South Carolina at 5/10 (Moderate). This means Utah faces more frequent and potentially more destructive seismic events.

South Carolina averages approximately 15 earthquakes per year, while Utah averages about 200 per year. Utah experiences roughly 185 more earthquakes annually.

South Carolina is associated with Middleton Place-Summerville Seismic Zone. Utah is associated with Wasatch Fault Zone. These fault systems determine the type and frequency of seismic activity each state experiences.

In South Carolina, approximately 20% of the population lives in areas at risk from earthquakes, compared to 80% in Utah. Utah has a larger percentage of residents exposed to seismic hazard.

South Carolina's most notable earthquake: 1886 Charleston (M7.3). Utah's most notable earthquake: 2020 Magna (M5.7). These historical events illustrate the seismic potential of each state.