M4.9 earthquake 65 km E of Iwaki, Japan
A magnitude 4.9 earthquake struck 65 km E of Iwaki, Japan on Wed, Jan 2, 1985, 3:31 AM JST (18:31 UTC), 54 km (33 mi) below the surface.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 4.9 (mb), light
- Local time
- UTC
- 1985-01-01 18:31:05 UTC
- Depth
- 53.7 km (33.4 mi), shallow
- Epicenter
- 37.077° N, 141.619° 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 1.9 and up: 3 in the 60 days after this one and 5 in the 30 days before it.
After
- 4.8116 km ESE of Namie, Japan · 15229 days ago · 48 km deep · 53 km away
- 4.329 km ESE of Takahagi, Japan · 15217 days ago · 58 km deep · 71 km away
- 4.661 km ESE of Takahagi, Japan · 15195 days ago · 80 km deep · 63 km away
Before
- 4.37 km SE of Hitachi, Japan · 15245 days ago · 59 km deep · 98 km away
- 4.939 km ENE of Iwaki, Japan · 15253 days ago · 59 km deep · 31 km away
- 5.254 km ENE of Iwaki, Japan · 15253 days ago · 44 km deep · 15 km away
- 4.475 km E of Iwaki, Japan · 15256 days ago · 54 km deep · 18 km away
- 4.659 km ESE of Kitaibaraki, Japan · 15269 days ago · 54 km deep · 50 km away
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Sources
From the USGS Earthquake Hazards Program and its partner networks, event usp0002ams. Read Tue, Sep 22, 2026, 10:31 PM UTC.