Japan earthquakes

M4.5 earthquake 40 km W of Noshiro, Japan

A magnitude 4.5 earthquake struck 40 km W of Noshiro, Japan on Mon, Mar 22, 1982, 5:27 PM JST (08:27 UTC), 201 km (125 mi) below the surface.

A larger quake followed: M4.7 116 km W of Tenn?, Japan. This one was a foreshock.

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1982-03-22 08:27:28 UTC
Depth
201.0 km (124.9 mi), intermediate-depth
Epicenter
40.168° N, 139.559° 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
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 1 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 usp0001k97. Read Tue, Sep 22, 2026, 7:42 AM UTC.