Japan earthquakes

M5.1 earthquake 60 km SSW of Nemuro, Japan

A magnitude 5.1 earthquake struck 60 km SSW of Nemuro, Japan on Thu, Nov 1, 1973, 8:07 AM JST (23:07 UTC), 54 km (34 mi) below the surface.

A larger quake followed: M5.4 Kuril Islands. This one was a foreshock.

Nemuro forecastMore in Japan

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The earthquake

Magnitude
5.1 (mb), moderate
Local time
UTC
1973-10-31 23:07:01 UTC
Depth
54.0 km (33.6 mi), shallow
Epicenter
42.816° N, 145.307° 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 2.1 and up: 8 in the 60 days after this one and 3 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000040d. Read Tue, Sep 22, 2026, 10:57 AM UTC.