Japan earthquakes

M4.8 earthquake 120 km WNW of Naze, Japan

A magnitude 4.8 earthquake struck 120 km WNW of Naze, Japan on Sat, Feb 20, 1982, 11:08 PM JST (14:08 UTC), 43 km (27 mi) below the surface.

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The earthquake

Magnitude
4.8 (mb), light
Local time
UTC
1982-02-20 14:08:01 UTC
Depth
42.8 km (26.6 mi), shallow
Epicenter
28.799° N, 128.353° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 2 in the 60 days after this one and 5 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001jqw (also filed as iscgem604323). Read Tue, Sep 22, 2026, 8:47 AM UTC.