Japan earthquakes

M6.0 earthquake 113 km NNE of Naze, Japan

A magnitude 6.0 earthquake struck 113 km NNE of Naze, Japan on Sun, Jul 3, 1921, 11:52 PM JST (14:52 UTC), 15 km (9 mi) below the surface.

A larger quake followed: M6.2 76 km NNE of Naze, Japan. This one was a foreshock.

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The earthquake

Magnitude
6.0 (mw), strong
Local time
UTC
1921-07-03 14:52:57 UTC
Depth
15.0 km (9.3 mi), shallow
Epicenter
29.247° N, 130.086° 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.

Magnitude uncertainty
±0.24
Depth from
From location

Nearest places

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

Nearby

Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.

After

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem912268. Read Tue, Sep 22, 2026, 2:09 AM UTC.