M6.0 earthquake 12 km NW of Hadano, Japan
A magnitude 6.0 earthquake struck 12 km NW of Hadano, Japan on Wed, Sep 16, 1931, 9:43 PM JST (12:43 UTC), 15 km (9 mi) below the surface.
A larger quake followed: M6.5 1 km WNW of Kumagaya, Japan. This one was a foreshock.
Map
Where this earthquake was located, with the others nearby. Select one for its page.
The earthquake
- Magnitude
- 6.0 (mw), strong
- Local time
- UTC
- 1931-09-16 12:43:06 UTC
- Depth
- 15.0 km (9.3 mi), shallow
- Epicenter
- 35.455° N, 139.132° 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 3.0 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 iscgem907015. Read Wed, Sep 30, 2026, 4:26 PM UTC.