Information For a 2.7 Earthquake on 07/31/1987 near Harrison, MT

An earthquake of magnitude 2.7 and depth of 3.90 kilometers occurred 12.02 miles from Harrison, MT in Madison County at 02:09 AM.

07/31/1987 - Earthquake Incident Location
Earthquake Details
Location: 12.02 miles from Harrison, MT in Madison County, MT
Date: 07/31/1987
Time: 02:09 AM
Magnitude: 2.7 Mag
Depth: 3.90 km
More Earthquake Incidents on 07/31/1987

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Area Highlights

Natural Disasters Risk

  • Hail Risk Hail Risk is Very Low
  • Tornados Tornado Risk is Very Low
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