Japan earthquakes

M4.9 earthquake 181 km NW of Mikuni, Japan

A magnitude 4.9 earthquake struck 181 km NW of Mikuni, Japan on Sun, Oct 5, 1980, 8:35 AM JST (23:35 UTC), 366 km (227 mi) below the surface.

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1980-10-04 23:35:43 UTC
Depth
366.0 km (227.4 mi), deep
Epicenter
37.339° N, 134.665° 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
78

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001a34. Read Tue, Sep 22, 2026, 10:30 PM UTC.