Hopper Township, SD has a low earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 1.59% chance of a major earthquake within 50km of Hopper Township, SD within the next 50 years. The largest earthquake within 30 miles of Hopper Township, SD was a 3.6 Magnitude in 1986.
View the probability of a major earthquake within the next 50 years in Hopper Township, SD.
View the number of earthquake incidents in Hopper Township, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Hopper Township, SD within 30 miles. All distances and depths in the table are measured in miles.