Japan earthquakes

M4.9 earthquake 85 km SE of Kushiro, Japan

A magnitude 4.9 earthquake struck 85 km SE of Kushiro, Japan on Tue, Dec 8, 1987, 10:46 AM JST (01:46 UTC), 47 km (29 mi) below the surface.

Kushiro forecastMore in Japan

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The earthquake

Magnitude
4.9 (mb), light
Local time
UTC
1987-12-08 01:46:33 UTC
Depth
46.9 km (29.1 mi), shallow
Epicenter
42.495° N, 145.197° 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
FROM_LOCATION

Nearest places

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

Nearby

Within 100 km, magnitude 1.9 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 usp0003b2e. Read Tue, Sep 22, 2026, 3:25 PM UTC.