Japan earthquakes

M4.6 earthquake 130 km E of Yamada, Japan

A magnitude 4.6 earthquake struck 130 km E of Yamada, Japan on Tue, Sep 11, 1973, 1:56 AM JST (16:56 UTC), 30 km (19 mi) below the surface.

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The earthquake

Magnitude: 4.6 (mb), light
Local time: Tue, Sep 11, 1973, 1:56 AM JST
UTC: 1973-09-10 16:56:17 UTC
Depth: 30.0 km (18.6 mi), shallow
Epicenter: 39.451° N, 143.470° 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: 29

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 3 in the 60 days after this one and 21 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00003d7 (also filed as iscgem756251). Read Tue, Sep 22, 2026, 9:10 AM UTC.