Puerto Rico vs Utah Earthquake Risk

Puerto Rico and Utah share the same risk score of 7/10 (High). Both states face similar levels of seismic hazard, though the specific fault systems and earthquake characteristics differ.

Puerto Rico averages approximately 100 earthquakes per year, while Utah averages about 200 per year. Utah experiences roughly 100 more earthquakes annually.

Puerto Rico is associated with Puerto Rico Trench, Mona Passage. Utah is associated with Wasatch Fault Zone. 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 80% in Utah. Puerto Rico has a larger percentage of residents exposed to seismic hazard.

Puerto Rico's most notable earthquake: 2020 Guayanilla (M6.4). Utah's most notable earthquake: 2020 Magna (M5.7). These historical events illustrate the seismic potential of each state.