| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 15.0 km |
| Coordinates | 34.164, 141.773 |
| UTC time | 1933-04-21 20:39:44.550 |
Earthquake details
Friday, April 21, 1933 Earthquake
The earthquake hit Japan on Friday, April 21, 1933 at 20:39 UTC with a magnitude of 5.5. The closest known location in the current dataset is Isumi (Japan - JP), about 172.5 km away. The epicenter is located at longitude 141.773 and latitude 34.164.
| Location | Mobara |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1933-04-21
Closest countries
The 12 closest cities near the epicenter.
| Isumi | 172.5 km |
| Kamogawa | 185.1 km |
| Hasaki | 194.6 km |
| Minamibōsō | 194.8 km |
| Mobara | 194.8 km |
| Tateyama | 197.1 km |
| Ōamishirasato | 198.4 km |
| Tōgane | 200.8 km |
| Asahi | 200.9 km |
| Ōami | 200.9 km |
| Yōkaichiba | 204.2 km |
| Sanmu | 204.6 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.7
Hasaki
Japan · 2026-08-29 15:17 UTC
195.6 km
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
250.4 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
188.8 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
206.6 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
202.0 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
232.0 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
214.3 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
183.3 km
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