Japan earthquakes

M4.8 earthquake 89 km ENE of Hasaki, Japan

A magnitude 4.8 earthquake struck 89 km ENE of Hasaki, Japan on Tue, May 20, 1980, 10:09 AM JST (01:09 UTC), 48 km (30 mi) below the surface.

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The earthquake

Magnitude
4.8 (mb), light
Local time
UTC
1980-05-20 01:09:20 UTC
Depth
48.0 km (29.8 mi), shallow
Epicenter
36.027° N, 141.754° 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.

Stations used
54

Nearest places

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

Nearby

Within 100 km, magnitude 1.8 and up: 1 in the 60 days after this one and 6 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00017bb (also filed as iscgemsup645940). Read Tue, Sep 22, 2026, 8:07 AM UTC.