Japan earthquakes

M4.5 earthquake 35 km NW of Rumoi, Japan

A magnitude 4.5 earthquake struck 35 km NW of Rumoi, Japan on Tue, May 20, 1986, 8:55 AM JST (23:55 UTC), 198 km (123 mi) below the surface.

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1986-05-19 23:55:03 UTC
Depth
198.2 km (123.2 mi), intermediate-depth
Epicenter
44.139° N, 141.302° 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
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 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 usp0002u74. Read Tue, Sep 22, 2026, 8:06 AM UTC.