Japan earthquakes

M6.0 earthquake 78 km SSE of Nemuro, Japan

A magnitude 6.0 earthquake struck 78 km SSE of Nemuro, Japan on Mon, Jun 18, 1973, 5:37 AM JST (20:37 UTC), 50 km (31 mi) below the surface.

A larger quake followed: M7.1 58 km SSW of Shikotan, Russia. This one was a foreshock.

Nemuro forecast More 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: 6.0 (ms), strong
Local time: Mon, Jun 18, 1973, 5:37 AM JST
UTC: 1973-06-17 20:37:57 UTC
Depth: 50.0 km (31.1 mi), shallow
Epicenter: 42.706° N, 146.041° 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: 196

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 114 in the 60 days after this one and 31 in the 30 days before it.

After

The first 60 of 114.

Before

Earthquakes today Japan earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000284 (also filed as iscgem759520). Read Tue, Sep 22, 2026, 10:03 AM UTC.