Japan earthquakes

M5.9 earthquake 146 km ESE of Yamada, Japan

A magnitude 5.9 earthquake struck 146 km ESE of Yamada, Japan on Wed, Mar 23, 1960, 7:28 PM JST (10:28 UTC), 25 km (16 mi) below the surface.

A larger quake followed: M6.2 119 km ESE of Yamada, Japan. This one was a foreshock.

Yamada forecastMore in Japan

Map

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

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The earthquake

Magnitude
5.9 (mw), moderate
Local time
UTC
1960-03-23 10:28:54 UTC
Depth
25.0 km (15.5 mi), shallow
Epicenter
39.137° N, 143.598° 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
±0.20
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: 2 in the 60 days after this one and 7 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event iscgem878622. Read Tue, Sep 22, 2026, 10:58 AM UTC.