Oacoma, SD has a low earthquake risk, with a total of 3 earthquakes since 1931. The USGS database shows that there is a 1.36% chance of a major earthquake within 50km of Oacoma, SD within the next 50 years. The largest earthquake within 30 miles of Oacoma, SD was a 4.4 Magnitude in 1983.
View the probability of a major earthquake within the next 50 years in Oacoma, SD.
View the number of earthquake incidents in Oacoma, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Oacoma, SD within 30 miles. All distances and depths in the table are measured in miles.