| Magnitude | 6.5 |
| Alert | Severe |
| Depth | 15.0 km |
| Coordinates | 36.140, 139.380 |
| UTC time | 1931-09-21 02:20:01.850 |
Earthquake details
Monday, September 21, 1931 Earthquake
The earthquake hit Japan on Monday, September 21, 1931 at 02:20 UTC with a magnitude of 6.5. The closest known location in the current dataset is Kumagaya (Japan - JP), about 1.1 km away. The epicenter is located at longitude 139.380 and latitude 36.140.
| Location | Ōta |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1931-09-21
Closest countries
The 12 closest cities near the epicenter.
| Kumagaya | 1.1 km |
| Gyōda | 7.2 km |
| Higashi-Matsuyama | 12.3 km |
| Ogawamachi | 14.1 km |
| Hanyū | 14.1 km |
| Kamikoizumi | 14.5 km |
| Kōnosu | 14.6 km |
| Yorii | 16.9 km |
| Ōta | 17.9 km |
| Sakai-nakajima | 18.3 km |
| Tatebayashi | 18.4 km |
| Kitamoto | 18.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
70.3 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
46.1 km |
|
M 4.9
Maebashi
Japan · 2026-03-15 05:06 UTC
|
28.5 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
19.6 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
8.4 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
31.3 km |
|
M 4.3
Oyama
Japan · 2026-01-25 02:46 UTC
|
39.4 km |
|
M 4.0
Hitachiomiya
Japan · 2026-01-23 21:20 UTC
|
105.6 km |
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