M3.0 earthquake 17 km NE of Ovando, Montana
A magnitude 3.0 earthquake struck 17 km NE of Ovando, Montana on Mon, Sep 28, 1987, 9:48 AM MDT (15:48 UTC), 5 km (3 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 3.0 (ml), minor
- Local time
- UTC
- 1987-09-28 15:48:48 UTC
- Depth
- 5.0 km (3.1 mi), shallow
- Epicenter
- 47.118° N, 112.950° W
- Region
- Montana
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Depth from
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp00038tm. Read Tue, Sep 22, 2026, 8:56 PM UTC.