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 | Ref | |
|---|---|---|---|---|---|---|---|---|
| 1959-08-18 | Hebgen Lake | 7.2 Mw | IX | 28+ | $11 million | |||
| 1935-10-31 | Helena | 6.0 Mw | VIII | 2 | Aftershock. | |||
| 1935-10-18 | Helena | 6.2 Ms | VIII | 2 | [1] | |||
| 1925-06-27 | Townsend | 6.9 Mw | IX | 2 | $150.000 | [2] | ||
| 1897-11-04 | Dillon | 6.4 Mw | [3] | |||||
| 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. | ||||||||
See also
References
- ↑ "M 6.3 - 2 km ENE of Helena, Montana". United States Geological Survey. October 18, 1935. Retrieved January 23, 2022.
- ↑ "M 6.9 – western Montana". United States Geological Survey. June 28, 1925. Retrieved January 23, 2022.
- ↑ "M 6.4 - Near Dillon, Montana". United States Geological Survey. November 4, 1897. Retrieved January 23, 2022.
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