Great Falls, MT has a low earthquake risk, with a total of 1 earthquakes since 1931. The USGS database shows that there is a 3.54% chance of a major earthquake within 50km of Great Falls, MT within the next 50 years. The largest earthquake within 30 miles of Great Falls, MT was a 3.6 Magnitude in 2005.
View the probability of a major earthquake within the next 50 years in Great Falls, MT.
View the number of earthquake incidents in Great Falls, MT by year that are more than 2.5 Magnitude.
Total Number of Earthquakes in Great Falls, MT within 30 miles. All distances and depths in the table are measured in miles.