| Magnitude | 5.1 |
| Alert | Strong |
| Depth | 33.0 km |
| Coordinates | -26.742, -175.697 |
| UTC time | 1981-04-21 08:58:09.730 |
Earthquake details
Tuesday, April 21, 1981 Earthquake
The earthquake hit south of Tonga on Tuesday, April 21, 1981 at 08:58 UTC with a magnitude of 5.1. The closest known location in the current dataset is Suva, about 1132.4 km away. The epicenter is located at longitude -175.697 and latitude -26.742.
| Location | south of Tonga |
| Country | south of Tonga |
| Severity | Strong |
Earthquake map 1981-04-21
Nearby earthquakes
The latest 8 earthquakes within 100 km of this epicenter.
M 4.5
south of Tonga
Unknown · 2026-03-13 07:18 UTC
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M 5.3
south of the Fiji Islands
Unknown · 2026-02-04 02:07 UTC
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M 5.0
south of the Fiji Islands
Unknown · 2025-12-25 09:57 UTC
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M 4.9
south of Tonga
Unknown · 2025-12-12 10:09 UTC
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M 4.5
south of Tonga
Unknown · 2025-12-12 10:05 UTC
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M 4.4
Kermadec Islands region
Unknown · 2025-12-12 09:59 UTC
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M 4.5
south of the Fiji Islands
Unknown · 2025-12-12 08:47 UTC
79.6 km
M 5.3
south of the Fiji Islands
Unknown · 2025-12-09 21:00 UTC
82.4 km
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