M4.7 earthquake 100 km NE of Naze, Japan
A magnitude 4.7 earthquake struck 100 km NE of Naze, Japan on Mon, Nov 4, 1985, 1:23 AM JST (16:23 UTC), 52 km (33 mi) below the surface.
A larger quake followed: M4.9 79 km ENE 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
- 4.7 (mb), light
- Local time
- UTC
- 1985-11-03 16:23:02 UTC
- Depth
- 52.4 km (32.6 mi), shallow
- Epicenter
- 28.969° N, 130.249° 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 1.7 and up: 3 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.8114 km NE of Naze, Japan · 14926 days ago · 59 km deep · 17 km away
- 4.163 km ENE of Naze, Japan · 14912 days ago · 70 km deep · 44 km away
- 4.979 km ENE of Naze, Japan · 14909 days ago · 51 km deep · 35 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mec. Read Sat, Sep 26, 2026, 5:59 PM UTC.