| 2021-10-24 05:11:34 | 6.2 | 21 km SSE of Yilan, Taiwan | 6,693 |
| 2021-10-21 21:58:20 | 5.6 | 62 km E of Waitara, New Zealand | 2,401 |
| 2021-10-21 08:10:43 | 6 | | 2,662 |
| 2021-10-19 10:28:45 | 5.6 | 59 km W of Haveluloto, Tonga | 3,230 |
| 2021-10-18 07:26:52 | 6.1 | 67 km WNW of Sola, Vanuatu | 2,106 |
| 2021-10-15 02:44:57 | 6.4 | 146 km WSW of Buala, Solomon Islands | 2,151 |
| 2021-10-14 05:51:56 | 5.6 | 35 km E of Port-Olry, Vanuatu | 2,029 |
| 2021-10-10 21:48:36 | 6.21 | 27 km SSE of Naalehu, Hawaii | 7,572 |
| 2021-10-09 10:58:30 | 6.9 | Vanuatu region | 2,289 |
| 2021-10-08 16:47:26 | 4.9 | 93 km NE of Keith, Australia | 1,441 |
| 2021-10-04 06:34:14 | 5.7 | Kermadec Islands, New Zealand | 2,881 |
| 2021-10-02 06:29:17 | 7.3 | Vanuatu region | 2,326 |
| 2021-09-29 08:37:05 | 6.1 | 241 km NNW of Nanao, Japan | 7,611 |
| 2021-09-21 23:33:38 | 4.1 | 35 km SSW of Mount Buller, Australia | 1,275 |
| 2021-09-21 23:15:53 | 5.9 | 38 km SSW of Mount Buller, Australia | 1,275 |
| 2021-09-20 20:25:26 | 6.1 | Kuril Islands | 8,226 |
| 2021-09-20 18:34:52 | 5.8 | 80 km ENE of ‘Ohonua, Tonga | 3,388 |
| 2021-09-17 10:28:39 | 5.8 | 48 km NNW of Sola, Vanuatu | 2,163 |
| 2021-09-09 04:59:43 | 5.8 | 223 km WNW of Pangai, Tonga | 3,248 |
| 2021-09-08 01:47:47 | 7 | Acapulco, Mexico | 12,548 |
| 2021-09-07 09:49:57 | 6 | 186 km WNW of Pangai, Tonga | 3,274 |
| 2021-09-05 17:51:44 | 5.9 | 82 km SSE of ‘Ohonua, Tonga | 3,318 |
| 2021-08-31 02:52:50 | 6.4 | | 2,895 |
| 2021-08-28 12:27:25 | 5.6 | 119 km SSW of Abepura, Indonesia | 3,000 |