List of earthquakes in Montana
# List of earthquakes in Montana

This is an incomplete list of earthquakes in the U.S state of Montana. Only earthquakes with a magnitude of 6.0 or greater are listed. Aftershocks are not included, unless they were of great significance or contributed to a death toll.

## Earthquakes

| Date | Location | Mag. | MMI | Deaths | Injuries | Damage / notes |
| - | - | - | - | - | - | - |
| 1959-08-18 | Hebgen Lake | 7.2 $M_w$ | IX | 28+ | | $11 million |
| 1935-10-31 | Helena | 6.0 $M_w$ | VIII | 2 | | Aftershock. |
| 1935-10-18 | Helena | 6.2 $M_s$ | VIII | 2 | | |
| 1925-06-27 | Townsend | 6.9 $M_w$ | IX | | 2 | $150.000 |
| 1897-11-04 | Dillon | 6.4 $M_w$ | | | | |
| Note: The inclusion criteria for adding events are based on WikiProject Earthquakes' notability guideline that was developed for stand-alone articles. The principles described also apply to lists. In summary, only damaging, injurious, or deadly events and those of scientific interest should be recorded. ||||||||
