Japan earthquakes

M4.4 earthquake 57 km SSW of Nemuro, Japan

A magnitude 4.4 earthquake struck 57 km SSW of Nemuro, Japan on Sat, Aug 11, 1973, 11:04 PM JST (14:04 UTC), 55 km (34 mi) below the surface.

A larger quake followed: M5.0 52 km SSW of Nemuro, Japan. This one was a foreshock.

Nemuro forecastMore in Japan

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
4.4 (mb), light
Local time
UTC
1973-08-11 14:04:27 UTC
Depth
55.0 km (34.2 mi), shallow
Epicenter
42.820° N, 145.393° 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
20

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 4 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000032c. Read Tue, Sep 22, 2026, 8:55 PM UTC.