| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 10.0 km |
| Coordinates | 21.952, 125.323 |
| UTC time | 1978-12-21 14:07:47.200 |
Earthquake details
Thursday, December 21, 1978 Earthquake
The earthquake hit Japan on Thursday, December 21, 1978 at 14:07 UTC with a magnitude of 5.1. The closest known location in the current dataset is Ishigaki (Japan - JP), about 291.9 km away. The epicenter is located at longitude 125.323 and latitude 21.952.
| Location | Miyakojima |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1978-12-21
Closest countries
The 12 closest cities near the epicenter.
| Ishigaki | 291.9 km |
| Miyakojima | 315.9 km |
| Hirara | 317.5 km |
| Taito | 439.5 km |
| Hualien City | 442.8 km |
| Hengchun | 472.7 km |
| Yilan | 480.2 km |
| Chaozhou | 497.2 km |
| Puli | 499.4 km |
| Donggang | 505.5 km |
| Keelung | 508.7 km |
| Xizhi District | 509.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
|
M 4.4
Miyakojima
Japan · 2026-05-09 01:26 UTC
|
246.7 km |
|
M 4.7
Miyakojima
Japan · 2026-04-09 01:34 UTC
|
359.0 km |
|
M 4.3
Miyakojima
Japan · 2026-04-03 09:53 UTC
|
290.4 km |
|
M 4.7
Miyakojima
Japan · 2026-03-28 05:34 UTC
|
359.6 km |
|
M 4.2
Miyakojima
Japan · 2026-03-27 07:01 UTC
|
242.6 km |
|
M 4.2
Miyakojima
Japan · 2026-03-23 09:59 UTC
|
261.0 km |
|
M 4.6
Miyakojima
Japan · 2026-03-10 11:42 UTC
|
236.9 km |
|
M 4.7
Miyakojima
Japan · 2026-03-10 06:51 UTC
|
370.5 km |
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