M5.6 earthquake 80 km WSW of Ulaangom, Mongolia
A magnitude 5.6 earthquake struck 80 km WSW of Ulaangom, Mongolia on Wed, Sep 21, 1938, 4:04 AM GMT+6 (22:04 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
- 5.6 (mw), moderate
- Local time
- UTC
- 1938-09-20 22:04:24 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 49.688° N, 91.044° 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.
- Magnitude uncertainty
- ±0.20
- 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.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem902684. Read Wed, Sep 23, 2026, 3:41 PM UTC.