Earthquakes in Montana
27 earthquakes (M4+) recorded in Montana between 2005-2025. Data from USGS.
Total Earthquakes
27
Significant (M6+)
0
Maximum Magnitude
5.8
Avg Magnitude
4.3
Events by Year
1947
1
1935
1
Significant Earthquakes (2)
| Mag | Location | Depth | Date |
|---|---|---|---|
| 6.1 | 30 km SSW of Big Sky, Montana | 15.0 km | Nov 23, 1947 |
| 6.1 | 12 km N of Winston, Montana | 15.0 km | Oct 19, 1935 |