M4.7 earthquake 74 km ESE of Nago, Japan
A magnitude 4.7 earthquake struck 74 km ESE of Nago, Japan on Mon, Mar 23, 1981, 9:26 AM JST (00:26 UTC), 33 km (21 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.7 (mb), light
- Local time
- UTC
- 1981-03-23 00:26:52 UTC
- Depth
- 33.0 km (20.5 mi), shallow
- Epicenter
- 26.358° N, 128.673° 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
- OPERATOR_ASSIGNED
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 1.7 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 usp0001cu7 (also filed as iscgemsup630272). Read Tue, Sep 22, 2026, 10:29 AM UTC.