M4.8 earthquake 63 km ENE of Mutsu, Japan
A magnitude 4.8 earthquake struck 63 km ENE of Mutsu, Japan on Sun, Nov 3, 1985, 9:40 AM JST (00:40 UTC), 80 km (49 mi) below the surface.
A larger quake followed: M4.9 73 km ENE of Mutsu, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.8 (mb), light
- Local time
- UTC
- 1985-11-03 00:40:22 UTC
- Depth
- 79.5 km (49.4 mi), intermediate-depth
- Epicenter
- 41.539° N, 141.897° 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 1.8 and up: 5 in the 60 days after this one and 2 in the 30 days before it.
After
- 4.973 km ENE of Mutsu, Japan · 14924 days ago · 73 km deep · 19 km away
- 4.640 km SSE of Tomakomai, Japan · 14921 days ago · 33 km deep · 84 km away
- 4.7Hokkaido, Japan region · 14921 days ago · 72 km deep · 50 km away
- 4.29 km NW of Shizunai-furukawach?, Japan · 14905 days ago · 89 km deep · 99 km away
- 4.259 km SSE of Shizunai-furukawach?, Japan · 14899 days ago · 76 km deep · 80 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002mdv. Read Wed, Sep 23, 2026, 11:03 PM UTC.