South Annville Township, PA has a low earthquake risk, with a total of 45 earthquakes since 1931. The USGS database shows that there is a 1.50% chance of a major earthquake within 50km of South Annville Township, PA within the next 50 years. The largest earthquake within 30 miles of South Annville Township, PA was a 4.6 Magnitude in 1994.
View the probability of a major earthquake within the next 50 years in South Annville Township, PA.
View the number of earthquake incidents in South Annville Township, PA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in South Annville Township, PA within 30 miles. All distances and depths in the table are measured in miles.