M4.6 earthquake 74 km ENE of Mutsu, Japan
A magnitude 4.6 earthquake struck 74 km ENE of Mutsu, Japan on Thu, Jan 17, 1985, 4:21 PM JST (07:21 UTC), 63 km (39 mi) below the surface.
A larger quake followed: M5.0 41 km SSE of Shizunai-furukawach?, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.6 (mb), light
- Local time
- UTC
- 1985-01-17 07:21:06 UTC
- Depth
- 63.2 km (39.3 mi), shallow
- Epicenter
- 41.518° N, 142.054° 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 1.6 and up: 2 in the 60 days after this one and 2 in the 30 days before it.
After
- 5.041 km SSE of Shizunai-furukawach?, Japan · 15184 days ago · 69 km deep · 68 km away
- 4.734 km SSE of Shizunai-furukawach?, Japan · 15181 days ago · 38 km deep · 75 km away
Before
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002b41. Read Tue, Sep 22, 2026, 6:55 PM UTC.