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 edit

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 edit

References edit

  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.