Swarthmore, PA has a low earthquake risk, with a total of 15 earthquakes since 1931. The USGS database shows that there is a 2.22% chance of a major earthquake within 50km of Swarthmore, PA within the next 50 years. The largest earthquake within 30 miles of Swarthmore, PA was a 3.8 Magnitude in 1973.
View the probability of a major earthquake within the next 50 years in Swarthmore, PA.
View the number of earthquake incidents in Swarthmore, PA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Swarthmore, PA within 30 miles. All distances and depths in the table are measured in miles.