M5.1 earthquake 112 km S of Altai, Mongolia
A magnitude 5.1 earthquake struck 112 km S of Altai, Mongolia on Wed, Jan 28, 1987, 7:12 PM GMT+7 (12:12 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.1 (mb), moderate
- Local time
- UTC
- 1987-01-28 12:12:15 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 45.361° N, 96.142° E
- Region
- Mongolia
- 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 2.1 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 usp00031zu (also filed as iscgem477492). Read Tue, Sep 22, 2026, 4:12 PM UTC.