M5.7 earthquake 33 km E of Iwaki, Japan
A magnitude 5.7 earthquake struck 33 km E of Iwaki, Japan on Tue, Jan 24, 1939, 1:01 PM JST (04:01 UTC), 35 km (22 mi) below the surface.
A larger quake followed: M6.5 103 km ESE of Iwaki, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 5.7 (mw), moderate
- Local time
- UTC
- 1939-01-24 04:01:44 UTC
- Depth
- 35.0 km (21.7 mi), shallow
- Epicenter
- 37.056° N, 141.256° 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.
- Magnitude uncertainty
- ±0.20
- Depth from
- From location
Nearest places
Distance and direction from each place to the epicenter, with its forecast.
Nearby
Within 100 km, magnitude 2.5 and up: 1 in the 60 days after this one and 0 in the 30 days before it.
After
Earthquakes todayJapan earthquakesLive radar here
Sources
From the USGS Earthquake Hazards Program and its partner networks, event iscgem901782. Read Tue, Sep 22, 2026, 10:54 AM UTC.