Southwest Bon Homme, SD has a low earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 1.13% chance of a major earthquake within 50km of Southwest Bon Homme, SD within the next 50 years. The largest earthquake within 30 miles of Southwest Bon Homme, SD was a 4.3 Magnitude in 1982.
View the probability of a major earthquake within the next 50 years in Southwest Bon Homme, SD.
View the number of earthquake incidents in Southwest Bon Homme, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Southwest Bon Homme, SD within 30 miles. All distances and depths in the table are measured in miles.