Armour, SD has a low earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 1.29% chance of a major earthquake within 50km of Armour, SD within the next 50 years. The largest earthquake within 30 miles of Armour, SD was a 4.2 Magnitude in 2021.
View the probability of a major earthquake within the next 50 years in Armour, SD.
View the number of earthquake incidents in Armour, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Armour, SD within 30 miles. All distances and depths in the table are measured in miles.