| M 5.7 | Tonga | 13.0 km | 2018-06-03 00:48:09 UTC | View event → |
| M 5.6 | 141 km S of ‘Ohonua, Tonga | 10.0 km | 2018-06-21 19:33:09 UTC | View event → |
| M 5.4 | 116 km S of ‘Ohonua, Tonga | 14.0 km | 2018-06-20 23:23:26 UTC | View event → |
| M 5.4 | 133 km NNE of Hihifo, Tonga | 10.0 km | 2018-06-02 13:03:18 UTC | View event → |
| M 5.3 | 117 km ENE of Hihifo, Tonga | 55.0 km | 2018-06-15 13:18:58 UTC | View event → |
| M 5.2 | 202 km SW of Vaini, Tonga | 77.5 km | 2018-06-24 15:09:34 UTC | View event → |
| M 5.1 | 39 km WSW of Hihifo, Tonga | 120.1 km | 2018-06-21 02:03:30 UTC | View event → |
| M 4.9 | 124 km ENE of Hihifo, Tonga | 10.0 km | 2018-06-26 05:43:31 UTC | View event → |
| M 4.9 | 41 km W of Neiafu, Tonga | 58.2 km | 2018-06-07 02:44:04 UTC | View event → |
| M 4.9 | 113 km WSW of Pangai, Tonga | 91.8 km | 2018-06-01 17:00:37 UTC | View event → |
| M 4.8 | 60 km W of Neiafu, Tonga | 111.3 km | 2018-06-30 21:01:30 UTC | View event → |
| M 4.8 | 274 km WNW of Haveluloto, Tonga | 515.9 km | 2018-06-02 11:23:23 UTC | View event → |
| M 4.7 | 225 km ENE of Neiafu, Tonga | 10.0 km | 2018-06-05 22:28:57 UTC | View event → |
| M 4.6 | 95 km SE of Hihifo, Tonga | 35.0 km | 2018-06-30 15:14:11 UTC | View event → |
| M 4.6 | 83 km NNE of Hihifo, Tonga | 35.0 km | 2018-06-29 21:26:03 UTC | View event → |
| M 4.6 | 138 km NNW of Neiafu, Tonga | 82.5 km | 2018-06-26 03:49:03 UTC | View event → |
| M 4.6 | 88 km NNW of Neiafu, Tonga | 60.4 km | 2018-06-12 04:53:58 UTC | View event → |
| M 4.6 | 61 km WSW of Pangai, Tonga | 10.0 km | 2018-06-11 08:05:15 UTC | View event → |
| M 4.6 | 77 km ESE of Hihifo, Tonga | 10.0 km | 2018-06-10 18:32:07 UTC | View event → |
| M 4.6 | 98 km E of Hihifo, Tonga | 35.0 km | 2018-06-03 09:21:38 UTC | View event → |
| M 4.5 | 58 km N of Kolonga, Tonga | 69.5 km | 2018-06-30 18:46:58 UTC | View event → |
| M 4.5 | 129 km WNW of Pangai, Tonga | 241.2 km | 2018-06-23 11:23:36 UTC | View event → |
| M 4.5 | 129 km NNE of Hihifo, Tonga | 25.2 km | 2018-06-11 15:50:30 UTC | View event → |
| M 4.5 | 220 km W of Hihifo, Tonga | 342.6 km | 2018-06-08 12:10:43 UTC | View event → |
| M 4.5 | 86 km NNE of Hihifo, Tonga | 10.0 km | 2018-06-04 06:56:09 UTC | View event → |
| M 4.5 | 99 km NNE of Hihifo, Tonga | 33.2 km | 2018-06-01 17:20:32 UTC | View event → |