| Magnitude | 6.1 |
| Alert | Severe |
| Depth | 10.3 km |
| Coordinates | 35.522, 142.165 |
| UTC time | 1966-04-21 17:36:46.430 |
Earthquake details
Thursday, April 21, 1966 Earthquake
The earthquake hit Japan on Thursday, April 21, 1966 at 17:36 UTC with a magnitude of 6.1. The closest known location in the current dataset is Hasaki (Japan - JP), about 122.8 km away. The epicenter is located at longitude 142.165 and latitude 35.522.
| Location | Sakura |
| Country | Japan (JP) |
| Severity | Severe |
Earthquake map 1966-04-21
Closest countries
The 12 closest cities near the epicenter.
| Hasaki | 122.8 km |
| Asahi | 138.8 km |
| Kamisu | 141.7 km |
| Kashima-shi | 146.0 km |
| Sōsa | 147.4 km |
| Yōkaichiba | 147.5 km |
| Sawara | 155.8 km |
| Katori-shi | 156.2 km |
| Sanmu | 158.6 km |
| Namegata | 160.1 km |
| Tōgane | 162.9 km |
| Isumi | 163.0 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 5.8
Matsudo
Japan · 2026-08-22 17:00 UTC
194.0 km
M 4.4
Kamisu
Japan · 2026-07-17 19:45 UTC
97.4 km
M 4.7
Narita
Japan · 2026-07-16 00:01 UTC
149.0 km
M 4.3
Kamisu
Japan · 2026-07-02 07:17 UTC
137.3 km
M 4.2
Chiba
Japan · 2026-06-26 18:59 UTC
191.9 km
M 4.3
Sakura
Japan · 2026-06-26 04:31 UTC
157.5 km
M 4.5
Asahi
Japan · 2026-06-26 04:00 UTC
119.1 km
M 5.8
Kamisu
Japan · 2026-06-26 03:46 UTC
144.8 km
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