| Date & time | May 5, 2021 08:59:24 UTC |
| Local time at epicenter | 5 May 7:59 pm (GMT +11) |
| Status | Confirmed |
| Magnitude | 4.9 |
| Depth | 54.8 km |
| Epicenter latitude / longitude | 22.8065°S / 171.0713°E  (South Pacific Ocean, New Caledonia) |
| Antipode | 22.807°N / 8.929°W |
| Shaking intensity | Light shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Matthew Island (59 km / 37 mi) |
| Nearby towns and cities | 357 km (222 mi) ESE of Tadine (Maré) (pop: 7,490) | Show on map | Quakes nearby 408 km (253 mi) SSE of Isangel (Vanuatu) (pop: 1,440) | Show on map | Quakes nearby 446 km (277 mi) ESE of Wé (Lifou) (pop: 10,400) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Broken Clouds  24.8°C (77 F), humidity: 86%, wind: 4 m/s (9 kts) from E |
| Estimated seismic energy released | 1.4 x 1012 joules (392 megawatt hours, equivalent to 338 tons of TNT) | about seismic energy |
| Mag. | Depth | Location | Source |
| 4.9 | 55 km | Southeast of the Loyalty Islands, New Caledonia | USGS |
| 4.9 | 55 km | SOUTHEAST OF LOYALTY ISLANDS, New Caledonia | EMSC |
| 4.5 | 13 km | Southeast of Loyalty Islands, New Caledonia | GeoAu |
| 5.0 | 10 km | Southeast of Loyalty Islands, New Caledonia | GFZ |
