Information For a 3.4 Earthquake on 07/15/1987 near Harrison, MT

An earthquake of magnitude 3.4 and depth of 3.10 kilometers occurred 10.61 miles from Harrison, MT in Madison County at 07:08 AM.

07/15/1987 - Earthquake Incident Location
Earthquake Details
Location: 10.61 miles from Harrison, MT in Madison County, MT
Date: 07/15/1987
Time: 07:08 AM
Magnitude: 3.4 Mag
Depth: 3.10 km
More Earthquake Incidents on 07/15/1987

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Area Highlights

Natural Disasters Risk

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