New York vs Pennsylvania Earthquake Risk

New York has a higher earthquake risk with a score of 3/10 (Low-Moderate) compared to Pennsylvania at 2/10 (Low). This means New York faces more frequent and potentially more destructive seismic events.

New York averages approximately 10 earthquakes per year, while Pennsylvania averages about 3 per year. New York experiences roughly 7 more earthquakes annually.

New York is associated with Ramapo Fault. Pennsylvania is associated with Minor intraplate zones. 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 3% in Pennsylvania. New York has a larger percentage of residents exposed to seismic hazard.

New York's most notable earthquake: 1944 Massena (M5.8). Pennsylvania's most notable earthquake: 1994 Reading (M4.6). These historical events illustrate the seismic potential of each state.