Japan earthquakes

M4.5 earthquake 224 km SSE of Tateyama, Japan

A magnitude 4.5 earthquake struck 224 km SSE of Tateyama, Japan on Mon, Feb 5, 1973, 3:59 PM JST (06:59 UTC), 28 km (17 mi) below the surface.

A larger quake followed: M5.3 211 km SSE of Tateyama, Japan. This one was a foreshock.

Tateyama forecastMore in Japan

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

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The earthquake

Magnitude
4.5 (mb), light
Local time
UTC
1973-02-05 06:59:40 UTC
Depth
28.0 km (17.4 mi), shallow
Epicenter
33.213° N, 141.054° 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
13

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00000db. Read Tue, Sep 22, 2026, 11:18 AM UTC.