Lower Brule, SD has a very low earthquake risk, with a total of 2 earthquakes since 1931. The USGS database shows that there is a 0.99% chance of a major earthquake within 50km of Lower Brule, SD within the next 50 years. The largest earthquake within 30 miles of Lower Brule, SD was a 4.4 Magnitude in 1983.
View the probability of a major earthquake within the next 50 years in Lower Brule, SD.
View the number of earthquake incidents in Lower Brule, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Lower Brule, SD within 30 miles. All distances and depths in the table are measured in miles.