Alcester, SD has a very low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 0.41% chance of a major earthquake within 50km of Alcester, SD within the next 50 years. The largest earthquake within 30 miles of Alcester, SD was a 3.0 Magnitude in 2023.
View the probability of a major earthquake within the next 50 years in Alcester, SD.
View the number of earthquake incidents in Alcester, SD by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Alcester, SD within 30 miles. All distances and depths in the table are measured in miles.