Japan earthquakes

M5.4 earthquake 167 km E of Nago, Japan

A magnitude 5.4 earthquake struck 167 km E of Nago, Japan on Tue, Apr 28, 1981, 5:29 AM JST (20:29 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude
5.4 (mb), moderate
Local time
UTC
1981-04-27 20:29:44 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
26.798° N, 129.658° E
Region
Japan
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
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Nearest places

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

Nearby

Within 100 km, magnitude 2.4 and up: 2 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001de1 (also filed as iscgem628861). Read Tue, Sep 29, 2026, 12:37 PM UTC.