Custer, SD Earthquake Report
Maps of Earthquakes in Custer, SD
- Most Recent
Custer, SD Earthquake Probability
The USGS database shows that there is a 1.20% chance of a major earthquake within 50km of Custer, SD within the next 50 years. The largest earthquake within 30 miles of Custer, SD was a 4 Magnitude in 1996.
Probability of earthquakes within the next 50 years
Within 31 Miles / 50km above magnitude