Japan earthquakes

M4.6 earthquake 50 km NW of Kushiro, Japan

A magnitude 4.6 earthquake struck 50 km NW of Kushiro, Japan on Sat, Jul 6, 1985, 10:22 AM JST (01:22 UTC), 28 km (17 mi) below the surface.

Kushiro forecastMore in Japan

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The earthquake

Magnitude
4.6 (mb, body-wave), light
Magnitude from
USGS National Earthquake Information Center
Local time
UTC
1985-07-06 01:22:28 UTC
Depth
28.0 km (17.4 mi), shallow
Epicenter
43.342° N, 144.008° E
Region
Japan
Tsunami flag
No
Status
Reviewed by a seismologist

What happened

The USGS’s account of the effects of this earthquake.

Felt (II JMA) at Kushiro and (I JMA) at Nemuro.

From the USGS event page for usp0002gga. U.S. Geological Survey text and figures are in the public domain.

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 1.6 and up: 0 in the 60 days after this one and 3 in the 30 days before it.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event usp0002gga. Read Thu, Oct 1, 2026, 6:12 AM UTC.