Mount Gretna Heights, PA has a low earthquake risk, with a total of 38 earthquakes since 1931. The USGS database shows that there is a 1.55% chance of a major earthquake within 50km of Mount Gretna Heights, PA within the next 50 years. The largest earthquake within 30 miles of Mount Gretna Heights, PA was a 4.6 Magnitude in 1994.
View the probability of a major earthquake within the next 50 years in Mount Gretna Heights, PA.
View the number of earthquake incidents in Mount Gretna Heights, PA by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Mount Gretna Heights, PA within 30 miles. All distances and depths in the table are measured in miles.