New York vs Puerto Rico Earthquake Risk

Puerto Rico has a higher earthquake risk with a score of 7/10 (High) compared to New York at 3/10 (Low-Moderate). This means Puerto Rico faces more frequent and potentially more destructive seismic events.

New York averages approximately 10 earthquakes per year, while Puerto Rico averages about 100 per year. Puerto Rico experiences roughly 90 more earthquakes annually.

New York is associated with Ramapo Fault. Puerto Rico is associated with Puerto Rico Trench, Mona Passage. These fault systems determine the type and frequency of seismic activity each state experiences.

In New York, approximately 10% of the population lives in areas at risk from earthquakes, compared to 95% in Puerto Rico. Puerto Rico has a larger percentage of residents exposed to seismic hazard.

New York's most notable earthquake: 1944 Massena (M5.8). Puerto Rico's most notable earthquake: 2020 Guayanilla (M6.4). These historical events illustrate the seismic potential of each state.