| Date & time | Mar 18, 2023 16:30:45 UTC - |
| Local time at epicenter | Sunday, Mar 19, 2023 at 1:30 am (GMT +9) |
| Status | Confirmed |
| Magnitude | 4.9 |
| Depth | 10.4 km |
| Epicenter latitude / longitude | 2.3196°N / 128.7848°E  (Indonesia) |
| Antipode | 2.32°S / 51.215°W |
| Shaking intensity | Moderate shaking near epicenter |
| Felt | 0 reports |
| Primary data source | USGS (United States Geological Survey) |
| Nearest volcano | Tarakan (119 km / 74 mi) |
| Nearby towns and cities | 108 km (67 mi) NE of Tobelo (Kabupaten Halmahera Utara) (pop: 10,000) | Show on map | Quakes nearby 223 km (138 mi) NE of Sofifi (Kota Tidore Kepulauan) (pop: 36,200) | Show on map | Quakes nearby 231 km (143 mi) NE of Ternate (pop: 101,700) | Show on map | Quakes nearby 411 km (255 mi) ENE of Bitung (pop: 137,400) | Show on map | Quakes nearby 450 km (280 mi) NW of Sorong (pop: 125,500) | Show on map | Quakes nearby 531 km (330 mi) SE of Caburan (Davao del Sur, Philippines) (pop: 12,600) | Show on map | Quakes nearby 557 km (346 mi) SE of Glan (Sarangani, Philippines) (pop: 24,300) | Show on map | Quakes nearby 559 km (347 mi) SE of Sapu Padidu (pop: 9,790) | Show on map | Quakes nearby |
| Weather at epicenter at time of quake | Scattered Clouds  27.5°C (82 F), humidity: 76%, wind: 3 m/s (6 kts) from N |
| 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 | 10.4 km | Indonesia: Di Laut 76 Km TimurLaut Daruba | USGS |
| 4.9 | 10.4 km | Halmahera, Indonesia | RaspberryShake |
| 4.8 | 5 km | Halmahera, Indonesia | BMKG |
| 4.5 | 44 km | Halmahera, Indonesia | GFZ |
| 4.9 | 10 km | Halmahera, Indonesia | IRIS |
| 4.5 | 44 km | HALMAHERA, INDONESIA | EMSC |
