Oldham, SD has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 0.64% chance of a major earthquake within 50km of Oldham, SD within the next 50 years. The largest earthquake within 30 miles of Oldham, SD was a 3.1 Magnitude in 2005.
View the probability of a major earthquake within the next 50 years in Oldham, SD.
View the number of earthquake incidents in Oldham, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Oldham, SD within 30 miles. All distances and depths in the table are measured in miles.