North Carolina vs Oregon Earthquake Risk

Oregon has a higher earthquake risk with a score of 8/10 (High) compared to North Carolina at 2/10 (Low). This means Oregon faces more frequent and potentially more destructive seismic events.

North Carolina averages approximately 5 earthquakes per year, while Oregon averages about 500 per year. Oregon experiences roughly 495 more earthquakes annually.

North Carolina is associated with Eastern Tennessee Seismic Zone. Oregon is associated with Cascadia subduction zone, Klamath graben. These fault systems determine the type and frequency of seismic activity each state experiences.

In North Carolina, approximately 5% of the population lives in areas at risk from earthquakes, compared to 80% in Oregon. Oregon has a larger percentage of residents exposed to seismic hazard.

North Carolina's most notable earthquake: 1916 Asheville area (M5.5). Oregon's most notable earthquake: 1993 Scotts Mills (M5.6). These historical events illustrate the seismic potential of each state.