Philadelphia, PA has a low earthquake risk, with a total of 12 earthquakes since 1931. The USGS database shows that there is a 2.24% chance of a major earthquake within 50km of Philadelphia, PA within the next 50 years. The largest earthquake within 30 miles of Philadelphia, PA was a 3.8 Magnitude in 1973.
View the probability of a major earthquake within the next 50 years in Philadelphia, PA.
View the number of earthquake incidents in Philadelphia, PA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Philadelphia, PA within 30 miles. All distances and depths in the table are measured in miles.