M6.1 earthquake 142 km WSW of Bayanhongor, Mongolia
A magnitude 6.1 earthquake struck 142 km WSW of Bayanhongor, Mongolia on Sat, Feb 25, 1950, 12:47 PM GMT+7 (05:47 UTC), 15 km (9 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1950-02-25 05:47:12 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 45.708° N, 99.024° E
- Region
- Mongolia
- Strongest shaking
- VII, very strong shaking
- Tsunami flag
- No
- Status
- Reviewed by a seismologist
Shaking
The USGS ShakeMap: shaking estimated from seismic stations and the quake’s size, on the Modified Mercalli intensity scale.
- Strongest estimated
- VII, very strong shaking
- Peak ground acceleration
- 27.8% of gravity
- Peak ground velocity
- 3.3 cm/s
- Map
- Automatic

Did you feel it?
No one has reported feeling this quake to the USGS.
How well it is located
Reviewed by a seismologist.
- Magnitude uncertainty
- ±0.39
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
Earthquakes todayMongolia earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem895255. Read Tue, Sep 22, 2026, 1:08 AM UTC.