| Magnitude | 6.3 |
| Alert | Severe |
| Depth | 15.0 km |
| Coordinates | 32.731, 142.615 |
| UTC time | 1921-09-03 08:57:57.550 |
Earthquake details
Saturday, September 3, 1921 Earthquake
The earthquake hit Japan on Saturday, September 3, 1921 at 08:57 UTC with a magnitude of 6.3. The closest known location in the current dataset is Isumi (Japan - JP), about 345.0 km away. The epicenter is located at longitude 142.615 and latitude 32.731.
| Location | Chiba |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1921-09-03
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 345.0 km |
| Kamogawa | 351.2 km |
| Minamibōsō | 356.8 km |
| Tateyama | 356.9 km |
| Mobara | 368.4 km |
| Hasaki | 372.3 km |
| Ōamishirasato | 373.2 km |
| Ōami | 375.5 km |
| Tōgane | 376.0 km |
| Asahi | 378.4 km |
| Sanmu | 380.7 km |
| Yōkaichiba | 381.2 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.0
Tokyo
Japan · 2026-04-05 23:17 UTC
|
418.2 km |
|
M 4.9
Kashiwa
Japan · 2026-04-01 01:06 UTC
|
445.7 km |
|
M 4.1
Fujisawa
Japan · 2026-03-28 10:36 UTC
|
393.3 km |
|
M 4.4
Isumi
Japan · 2026-02-19 08:24 UTC
|
341.3 km |
|
M 4.1
Ōta
Japan · 2026-02-15 02:52 UTC
|
484.9 km |
|
M 4.3
Ōta
Japan · 2026-02-09 12:27 UTC
|
481.4 km |
|
M 4.2
Saitama
Japan · 2026-02-06 15:58 UTC
|
451.0 km |
|
M 4.5
Sakura
Japan · 2026-02-05 00:19 UTC
|
375.0 km |
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