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List of earthquakes in Montana

From Wikipedia, the free encyclopedia

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

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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

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References

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  1. ^ "M 6.3 - 2 km ENE of Helena, Montana". United States Geological Survey. October 18, 1935. Retrieved January 23, 2022.
  2. ^ "M 6.9 – western Montana". United States Geological Survey. June 28, 1925. Retrieved January 23, 2022.
  3. ^ "M 6.4 - Near Dillon, Montana". United States Geological Survey. November 4, 1897. Retrieved January 23, 2022.