| M 5.4 | 62 km W of Panguna, Papua New Guinea | 60.6 km | 2021-09-04 18:43:39 UTC | Vedi terremoto → |
| M 5.3 | 117 km SSE of Popondetta, Papua New Guinea | 20.3 km | 2021-09-18 20:47:07 UTC | Vedi terremoto → |
| M 5.0 | 139 km SE of Kimbe, Papua New Guinea | 10.0 km | 2021-09-11 04:56:38 UTC | Vedi terremoto → |
| M 5.0 | 118 km ESE of Kokopo, Papua New Guinea | 59.4 km | 2021-09-10 20:09:34 UTC | Vedi terremoto → |
| M 4.9 | 87 km SSE of Panguna, Papua New Guinea | 97.3 km | 2021-09-23 18:59:38 UTC | Vedi terremoto → |
| M 4.9 | 86 km SSE of Panguna, Papua New Guinea | 48.9 km | 2021-09-18 22:06:08 UTC | Vedi terremoto → |
| M 4.9 | 167 km WNW of Panguna, Papua New Guinea | 165.8 km | 2021-09-04 23:41:38 UTC | Vedi terremoto → |
| M 4.7 | 98 km SSE of Lorengau, Papua New Guinea | 10.0 km | 2021-09-14 05:07:57 UTC | Vedi terremoto → |
| M 4.7 | 103 km SSE of Lorengau, Papua New Guinea | 10.0 km | 2021-09-13 16:22:49 UTC | Vedi terremoto → |
| M 4.7 | 150 km SSE of Kokopo, Papua New Guinea | 10.0 km | 2021-09-10 05:10:03 UTC | Vedi terremoto → |
| M 4.6 | 95 km E of Madang, Papua New Guinea | 164.9 km | 2021-09-26 22:01:17 UTC | Vedi terremoto → |
| M 4.6 | 77 km SE of Ialibu, Papua New Guinea | 267.6 km | 2021-09-23 12:20:29 UTC | Vedi terremoto → |
| M 4.6 | 103 km SSE of Lorengau, Papua New Guinea | 10.0 km | 2021-09-17 13:23:17 UTC | Vedi terremoto → |
| M 4.6 | 119 km S of Lorengau, Papua New Guinea | 10.0 km | 2021-09-14 03:53:51 UTC | Vedi terremoto → |
| M 4.6 | 61 km SSW of Mendi, Papua New Guinea | 10.0 km | 2021-09-14 03:15:16 UTC | Vedi terremoto → |
| M 4.6 | 94 km SW of Panguna, Papua New Guinea | 10.0 km | 2021-09-08 09:00:39 UTC | Vedi terremoto → |
| M 4.6 | 212 km SE of Kokopo, Papua New Guinea | 10.0 km | 2021-09-06 15:44:34 UTC | Vedi terremoto → |
| M 4.5 | 89 km ESE of Kokopo, Papua New Guinea | 16.2 km | 2021-09-26 23:19:11 UTC | Vedi terremoto → |
| M 4.5 | 136 km SSW of Kokopo, Papua New Guinea | 10.0 km | 2021-09-25 05:00:49 UTC | Vedi terremoto → |
| M 4.5 | 100 km SSW of Kokopo, Papua New Guinea | 70.6 km | 2021-09-22 10:34:35 UTC | Vedi terremoto → |
| M 4.5 | 79 km SSE of Kokopo, Papua New Guinea | 35.0 km | 2021-09-16 21:58:14 UTC | Vedi terremoto → |
| M 4.5 | 102 km SSE of Lorengau, Papua New Guinea | 10.0 km | 2021-09-13 17:18:28 UTC | Vedi terremoto → |
| M 4.5 | 201 km ESE of Kokopo, Papua New Guinea | 60.9 km | 2021-09-05 21:42:11 UTC | Vedi terremoto → |
| M 4.5 | 94 km E of Kimbe, Papua New Guinea | 100.2 km | 2021-09-02 16:58:07 UTC | Vedi terremoto → |