Japan earthquakes

M5.0 earthquake 9 km WSW of Ichihara, Japan

A magnitude 5.0 earthquake struck 9 km WSW of Ichihara, Japan on Wed, Jun 18, 1980, 4:25 PM JST (07:25 UTC), 77 km (48 mi) below the surface.

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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
5.0 (mb), moderate
Local time
UTC
1980-06-18 07:25:07 UTC
Depth
77.0 km (47.8 mi), intermediate-depth
Epicenter
35.486° N, 139.982° 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
47

Nearest places

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

Nearby

Within 100 km, magnitude 2.0 and up: 6 in the 60 days after this one and 2 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp00018a4. Read Tue, Sep 22, 2026, 9:17 AM UTC.