Japan earthquakes

M5.0 earthquake 41 km ESE of Nemuro, Japan

A magnitude 5.0 earthquake struck 41 km ESE of Nemuro, Japan on Wed, Jun 20, 1973, 6:20 PM JST (09:20 UTC), 36 km (22 mi) below the surface.

A larger quake followed: M5.5 75 km SE of Nemuro, Japan. This one was a foreshock.

Nemuro forecastMore in Japan

Map

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

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The earthquake

Magnitude
5.0 (mb), moderate
Local time
UTC
1973-06-20 09:20:34 UTC
Depth
36.0 km (22.4 mi), shallow
Epicenter
43.127° N, 146.004° 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
CONSTRAINED_BY_DEPTH_PHASES
Stations used
42

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 81 in the 60 days after this one and 69 in the 30 days before it.

After

The first 60 of 81.

Before

Earthquakes todayJapan earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp000029x. Read Tue, Sep 22, 2026, 8:50 PM UTC.