M4.1 earthquake 63 km ENE of Naze, Japan
A magnitude 4.1 earthquake struck 63 km ENE of Naze, Japan on Fri, Nov 29, 1985, 4:18 AM JST (19:18 UTC), 70 km (43 mi) below the surface.
A larger quake followed: M5.1 42 km S of Naze, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.1 (mb), light
- Local time
- UTC
- 1985-11-28 19:18:16 UTC
- Depth
- 69.5 km (43.2 mi), shallow
- Epicenter
- 28.600° N, 130.079° 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 1.5 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.979 km ENE of Naze, Japan · 14910 days ago · 51 km deep · 16 km away
- 5.142 km S of Naze, Japan · 14910 days ago · 35 km deep · 89 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002nbd. Read Sun, Sep 27, 2026, 7:39 PM UTC.