| Magnitude | 5.5 |
| Alert | Strong |
| Depth | 49.8 km |
| Coordinates | 24.821, 125.291 |
| UTC time | 1971-10-21 08:22:45.630 |
Earthquake details
Thursday, October 21, 1971 Earthquake
The earthquake hit Japan on Thursday, October 21, 1971 at 08:22 UTC with a magnitude of 5.5. The closest known location in the current dataset is Hirara (Japan - JP), about 2.2 km away. The epicenter is located at longitude 125.291 and latitude 24.821.
| Location | Miyakojima |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1971-10-21
Closest countries
The 12 closest cities near the epicenter.
| Hirara | 2.2 km |
| Miyakojima | 4.0 km |
| Ishigaki | 126.4 km |
| Itoman | 279.7 km |
| Tomigusuku | 284.2 km |
| Naha | 285.5 km |
| Yaese | 286.1 km |
| Kanegusuku | 288.6 km |
| Nanjō | 289.1 km |
| Urasoe | 292.6 km |
| Nishihara | 293.4 km |
| Ginowan | 295.5 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.4
Miyakojima
Japan · 2026-05-09 01:26 UTC
|
72.4 km |
|
M 4.7
Miyakojima
Japan · 2026-04-09 01:34 UTC
|
40.0 km |
|
M 4.3
Miyakojima
Japan · 2026-04-03 09:53 UTC
|
76.1 km |
|
M 4.7
Miyakojima
Japan · 2026-03-28 05:34 UTC
|
40.5 km |
|
M 4.2
Miyakojima
Japan · 2026-03-27 07:01 UTC
|
79.6 km |
|
M 4.2
Miyakojima
Japan · 2026-03-23 09:59 UTC
|
60.9 km |
|
M 4.6
Miyakojima
Japan · 2026-03-10 11:42 UTC
|
87.0 km |
|
M 4.7
Miyakojima
Japan · 2026-03-10 06:51 UTC
|
61.2 km |
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