Defiance, PA has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 0.74% chance of a major earthquake within 50km of Defiance, PA within the next 50 years. The largest earthquake within 30 miles of Defiance, PA was a 2.5 Magnitude in 1991.
View the probability of a major earthquake within the next 50 years in Defiance, PA.
Total Number of Earthquakes in Defiance, PA within 30 miles. All distances and depths in the table are measured in miles.