Puerto Rico vs Tennessee Earthquake Risk

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

Puerto Rico averages approximately 100 earthquakes per year, while Tennessee averages about 50 per year. Puerto Rico experiences roughly 50 more earthquakes annually.

Puerto Rico is associated with Puerto Rico Trench, Mona Passage. Tennessee is associated with New Madrid Seismic Zone (western TN). These fault systems determine the type and frequency of seismic activity each state experiences.

In Puerto Rico, approximately 95% of the population lives in areas at risk from earthquakes, compared to 25% in Tennessee. Puerto Rico has a larger percentage of residents exposed to seismic hazard.

Puerto Rico's most notable earthquake: 2020 Guayanilla (M6.4). Tennessee's most notable earthquake: 1811 New Madrid (felt strongly). These historical events illustrate the seismic potential of each state.