Japan earthquakes

M4.7 earthquake 114 km W of Naze, Japan

A magnitude 4.7 earthquake struck 114 km W of Naze, Japan on Thu, Dec 30, 1982, 11:02 PM JST (14:02 UTC), 33 km (21 mi) below the surface.

A larger quake followed: M5.4 98 km WNW of Naze, Japan. This one was a foreshock.

Naze forecastMore in Japan

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The earthquake

Magnitude
4.7 (mb), light
Local time
UTC
1982-12-30 14:02:10 UTC
Depth
33.0 km (20.5 mi), shallow
Epicenter
28.460° N, 128.315° 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 1.7 and up: 2 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001rw7 (also filed as iscgemsup588163). Read Tue, Sep 22, 2026, 9:19 PM UTC.