M5.2 earthquake 90 km SW of Bulgan, Mongolia
A magnitude 5.2 earthquake struck 90 km SW of Bulgan, Mongolia on Mon, Oct 27, 1975, 11:18 PM GMT+7 (16:18 UTC), 55 km (34 mi) below the surface.
A larger quake followed: M5.4 87 km N of Kharkhorin, Mongolia. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.2 (mb), moderate
- Local time
- UTC
- 1975-10-27 16:18:49 UTC
- Depth
- 55.0 km (34.2 mi), shallow
- Epicenter
- 48.221° N, 102.691° 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.
- Stations used
- 20
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.2 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayMongolia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0000daa. Read Tue, Sep 22, 2026, 10:11 AM UTC.