| Date & time | Dec 28, 2021 07:06:18 UTC - |
| Local time at epicenter | Tuesday, Dec 28, 2021 at 12:36 pm (GMT +5:30) |
| Status | Confirmed |
| Magnitude | 4.6 |
| Depth | 10.0 km |
| Epicenter latitude / longitude | 8.5959°N / 93.958°E  (Andaman Sea, India) |
| Antipode | 8.596°S / 86.042°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 0 reports |
| Primary data source | NCS (National Center for Seismology) |
| Nearby towns and cities | 336 km (209 mi) NNW of Sabang (Indonesia) (pop: 24,500) | Show on map | Quakes nearby 366 km (228 mi) SSE of Port Blair (pop: 112,100) | Show on map | Quakes nearby 372 km (231 mi) NNW of Banda Aceh (Indonesia) (pop: 250,800) | Show on map | Quakes nearby 420 km (261 mi) NNW of Sigli (Kabupaten Pidie, Indonesia) (pop: 17,500) | Show on map | Quakes nearby 455 km (283 mi) NW of Reuleuet (Indonesia) (pop: 40,400) | Show on map | Quakes nearby 484 km (301 mi) NW of Bireun (Kabupaten Bireuen, Indonesia) (pop: 25,800) | Show on map | Quakes nearby 518 km (322 mi) NW of Lhokseumawe (Indonesia) (pop: 89,000) | Show on map | Quakes nearby 100 km (62 mi) ENE of Teressa Island (pop: 1,930) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Few Clouds  28°C (82 F), humidity: 73%, wind: 9 m/s (17 kts) from ENE |
| Estimated seismic energy released | 5 x 1011 joules (139 megawatt hours, equivalent to 120 tons of TNT) | about seismic energy |
| Mag. | Depth | Location | Source |
| 4.6 | 10 km | 176km N of Campbell Bay, Andaman And Nicobar Island, India | NCS |
| 4.8 | 10 km | Nicobar Islands, India Region | TMD |
| 4.7 | 32 km | Nicobar Islands, India Region | USGS |
| 4.7 | 40 km | NICOBAR ISLANDS, INDIA REGION | EMSC |
| 4.7 | 32 km | Nicobar Islands, India Region | RaspberryShake |
| 4.7 | 39 km | Nicobar Islands, India Region | GFZ |
