Oacoma Township, SD has a low earthquake risk, with a total of 3 earthquakes since 1931. The USGS database shows that there is a 1.32% chance of a major earthquake within 50km of Oacoma Township, SD within the next 50 years. The largest earthquake within 30 miles of Oacoma Township, SD was a 4.4 Magnitude in 1983.
View the probability of a major earthquake within the next 50 years in Oacoma Township, SD.
View the number of earthquake incidents in Oacoma Township, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Oacoma Township, SD within 30 miles. All distances and depths in the table are measured in miles.