Japan earthquakes

M5.1 earthquake 155 km SE of ?funato, Japan

A magnitude 5.1 earthquake struck 155 km SE of ?funato, Japan on Wed, Jun 21, 1978, 8:49 PM JST (11:49 UTC), 33 km (21 mi) below the surface.

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The earthquake

Magnitude: 5.1 (mb), moderate
Local time: Wed, Jun 21, 1978, 8:49 PM JST
UTC: 1978-06-21 11:49:08 UTC
Depth: 33.0 km (20.5 mi), shallow
Epicenter: 38.225° N, 143.140° 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.

Depth from: OPERATOR_ASSIGNED
Stations used: 104

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 16 in the 60 days after this one and 22 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0000v6u (also filed as iscgem681213). Read Tue, Sep 22, 2026, 7:13 AM UTC.