Japan earthquakes

M5.1 earthquake 35 km E of ?arai, Japan

A magnitude 5.1 earthquake struck 35 km E of ?arai, Japan on Tue, Aug 6, 1985, 2:58 PM JST (05:58 UTC), 52 km (32 mi) below the surface.

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The earthquake

Magnitude
5.1 (mw), moderate
Local time
UTC
1985-08-06 05:58:54 UTC
Depth
51.7 km (32.1 mi), shallow
Epicenter
36.378° N, 140.977° 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.

Nearest places

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

Nearby

Within 100 km, magnitude 2.1 and up: 5 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 usp0002hec (also filed as gcmtb080685c, gcmt19850806055854, iscgem517438). Read Tue, Sep 29, 2026, 2:20 AM UTC.