Japan earthquakes

M5.3 earthquake 18 km SSE of It?, Japan

A magnitude 5.3 earthquake struck 18 km SSE of It?, Japan on Sun, Dec 3, 1978, 10:15 PM JST (13:15 UTC), 17 km (11 mi) below the surface.

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The earthquake

Magnitude
5.3 (mb), moderate
Local time
UTC
1978-12-03 13:15:55 UTC
Depth
17.0 km (10.6 mi), shallow
Epicenter
34.809° N, 139.147° 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
97

Nearest places

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

Nearby

Within 100 km, magnitude 2.3 and up: 0 in the 60 days after this one and 1 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000xrf (also filed as iscgem671941). Read Tue, Sep 22, 2026, 2:36 PM UTC.