Japan earthquakes

M5.1 earthquake 113 km E of Yamada, Japan

A magnitude 5.1 earthquake struck 113 km E of Yamada, Japan on Wed, Aug 11, 1982, 6:05 PM JST (09:05 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M5.3 114 km E of Yamada, Japan. This one was a foreshock.

Yamada forecast More in Japan

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The earthquake

Magnitude: 5.1 (mb), moderate
Local time: Wed, Aug 11, 1982, 6:05 PM JST
UTC: 1982-08-11 09:05:36 UTC
Depth: 35.3 km (21.9 mi), shallow
Epicenter: 39.348° N, 143.259° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 14 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 usp0001nyx (also filed as iscgem593542). Read Wed, Sep 30, 2026, 9:49 PM UTC.