Japan earthquakes

M4.3 earthquake 53 km ESE of ?hara, Japan

A magnitude 4.3 earthquake struck 53 km ESE of ?hara, Japan on Tue, Feb 6, 1973, 4:49 AM JST (19:49 UTC), 43 km (27 mi) below the surface.

A larger quake followed: M4.4 121 km SE of ?hara, Japan. This one was a foreshock.

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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
4.3 (mb), light
Local time
UTC
1973-02-05 19:49:16 UTC
Depth
43.0 km (26.7 mi), shallow
Epicenter
35.040° N, 140.927° 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
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 9 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00000dg. Read Tue, Sep 22, 2026, 8:45 PM UTC.