Japan earthquakes

M4.6 earthquake 180 km NW of Naze, Japan

A magnitude 4.6 earthquake struck 180 km NW of Naze, Japan on Sun, Jul 26, 1981, 7:29 PM JST (10:29 UTC), 278 km (173 mi) below the surface.

Naze forecastMore in Japan

Map

Where this earthquake was located, with the others nearby. Select one for its page.

Open the live map with earthquakes

The earthquake

Magnitude
4.6 (mb), light
Local time
UTC
1981-07-26 10:29:51 UTC
Depth
278.0 km (172.7 mi), intermediate-depth
Epicenter
29.289° N, 127.964° 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

Nearest places

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

Nearby

Within 100 km, magnitude 1.6 and up: 0 in the 60 days after this one and 0 in the 30 days before it.

None recorded.

Earthquakes todayJapan earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0001ey8. Read Tue, Sep 22, 2026, 9:58 AM UTC.