| Magnitude | 5.6 |
| Alert | Strong |
| Depth | 92.0 km |
| Coordinates | 25.750, 125.798 |
| UTC time | 1981-04-18 02:05:01.810 |
Earthquake details
Saturday, April 18, 1981 Earthquake
The earthquake hit Japan on Saturday, April 18, 1981 at 02:05 UTC with a magnitude of 5.6. The closest known location in the current dataset is Hirara (Japan - JP), about 116.6 km away. The epicenter is located at longitude 125.798 and latitude 25.750.
| Location | Naha |
| Country | Japan (JP) |
| Severity | Strong |
Earthquake map 1981-04-18
Closest countries
The 12 closest cities near the epicenter.
| Hirara | 116.6 km |
| Miyakojima | 117.6 km |
| Itoman | 191.9 km |
| Tomigusuku | 194.7 km |
| Naha | 195.1 km |
| Yaese | 199.2 km |
| Kanegusuku | 199.2 km |
| Urasoe | 201.4 km |
| Nanjō | 201.9 km |
| Nishihara | 202.6 km |
| Ginowan | 204.6 km |
| Yomitan | 207.8 km |
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.9
Naha
Japan · 2026-08-24 15:27 UTC
288.1 km
M 4.3
Naha
Japan · 2026-05-25 21:49 UTC
172.2 km
M 4.3
Naha
Japan · 2026-04-07 21:04 UTC
290.1 km
M 4.7
Naha
Japan · 2026-04-07 20:28 UTC
270.5 km
M 4.5
Naha
Japan · 2026-04-07 20:05 UTC
273.7 km
M 4.7
Naha
Japan · 2026-03-20 03:35 UTC
286.0 km
M 4.4
Naha
Japan · 2026-03-09 20:05 UTC
279.7 km
M 4.3
Naha
Japan · 2026-02-09 01:10 UTC
234.4 km
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