Mongolia earthquakes

M5.4 earthquake 146 km S of Khovd, Mongolia

A magnitude 5.4 earthquake struck 146 km S of Khovd, Mongolia on Mon, Mar 31, 1975, 4:05 PM GMT+6 (10:05 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.4 (ms), moderate
Local time
UTC
1975-03-31 10:05:25 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
46.709° N, 91.289° 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
Stations used
113

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 2.4 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000aef (also filed as iscgem731834). Read Tue, Sep 22, 2026, 6:53 PM UTC.