North Carolina vs Pennsylvania Earthquake Risk

North Carolina and Pennsylvania share the same risk score of 2/10 (Low). Both states face similar levels of seismic hazard, though the specific fault systems and earthquake characteristics differ.

North Carolina averages approximately 5 earthquakes per year, while Pennsylvania averages about 3 per year. North Carolina experiences roughly 2 more earthquakes annually.

North Carolina is associated with Eastern Tennessee Seismic Zone. Pennsylvania is associated with Minor intraplate zones. 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 3% in Pennsylvania. North Carolina has a larger percentage of residents exposed to seismic hazard.

North Carolina's most notable earthquake: 1916 Asheville area (M5.5). Pennsylvania's most notable earthquake: 1994 Reading (M4.6). These historical events illustrate the seismic potential of each state.