Oregon vs Puerto Rico Earthquake Risk

Oregon has a higher earthquake risk with a score of 8/10 (High) compared to Puerto Rico at 7/10 (High). This means Oregon faces more frequent and potentially more destructive seismic events.

Oregon averages approximately 500 earthquakes per year, while Puerto Rico averages about 100 per year. Oregon experiences roughly 400 more earthquakes annually.

Oregon is associated with Cascadia subduction zone, Klamath graben. 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 Oregon, approximately 80% 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.

Oregon's most notable earthquake: 1993 Scotts Mills (M5.6). Puerto Rico's most notable earthquake: 2020 Guayanilla (M6.4). These historical events illustrate the seismic potential of each state.