M6.1 earthquake 104 km NNE of Nago, Japan
A magnitude 6.1 earthquake struck 104 km NNE of Nago, Japan on Fri, Mar 1, 1985, 5:53 AM JST (20:53 UTC), 60 km (37 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.1 (mw), strong
- Local time
- UTC
- 1985-02-28 20:53:47 UTC
- Depth
- 60.0 km (37.3 mi), shallow
- Epicenter
- 27.462° N, 128.449° 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 3.1 and up: 0 in the 60 days after this one and 0 in the 30 days before it.
None recorded.
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ca1 (also filed as gcmtb022885b, gcmt19850228205347, atlas19850228205348, iscgem533141). Read Sun, Sep 27, 2026, 10:19 AM UTC.