Sedan, MT has a high earthquake risk, with a total of 242 earthquakes since 1931. The USGS database shows that there is a 64.71% chance of a major earthquake within 50km of Sedan, MT within the next 50 years. The largest earthquake within 30 miles of Sedan, MT was a 4.4 Magnitude in 1974.
View the probability of a major earthquake within the next 50 years in Sedan, MT.
View the number of earthquake incidents in Sedan, MT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Sedan, MT within 30 miles. All distances and depths in the table are measured in miles.