| M 6.7 | 260 km S of Sinabang, Indonesia | 11.0 km | 2021-05-14 06:33:07 UTC | View event → |
| M 5.8 | 33 km SSW of Sumberpucung, Indonesia | 106.0 km | 2021-05-21 12:09:22 UTC | View event → |
| M 5.7 | 127 km SSW of Padang, Indonesia | 30.0 km | 2021-05-05 01:24:36 UTC | View event → |
| M 5.5 | 256 km NNE of Tobelo, Indonesia | 47.6 km | 2021-05-12 18:20:27 UTC | View event → |
| M 5.5 | Kepulauan Mentawai region, Indonesia | 21.0 km | 2021-05-02 17:46:41 UTC | View event → |
| M 5.2 | 35 km WNW of Labuan, Indonesia | 16.0 km | 2021-05-23 03:50:49 UTC | View event → |
| M 5.2 | 255 km NNE of Tobelo, Indonesia | 45.6 km | 2021-05-12 15:45:30 UTC | View event → |
| M 5.2 | 81 km WSW of Tobelo, Indonesia | 148.2 km | 2021-05-04 22:59:11 UTC | View event → |
| M 5.1 | 214 km N of Palu, Indonesia | 17.4 km | 2021-05-29 01:25:14 UTC | View event → |
| M 5.1 | 31 km SE of Amahai, Indonesia | 41.6 km | 2021-05-25 17:26:17 UTC | View event → |
| M 5.1 | 53 km W of Labuan, Indonesia | 10.0 km | 2021-05-23 03:48:11 UTC | View event → |
| M 5.0 | 235 km SSW of Bengkulu, Indonesia | 10.0 km | 2021-05-22 08:25:48 UTC | View event → |
| M 5.0 | 115 km NW of Sabang, Indonesia | 10.0 km | 2021-05-18 05:49:21 UTC | View event → |
| M 5.0 | 73 km S of Gorontalo, Indonesia | 112.8 km | 2021-05-05 18:13:32 UTC | View event → |
| M 4.9 | 274 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 09:16:32 UTC | View event → |
| M 4.9 | 134 km WSW of Padang, Indonesia | 27.1 km | 2021-05-11 20:44:41 UTC | View event → |
| M 4.9 | 179 km E of Amahai, Indonesia | 10.0 km | 2021-05-02 23:24:39 UTC | View event → |
| M 4.9 | 78 km W of Banda Aceh, Indonesia | 35.0 km | 2021-05-02 20:49:41 UTC | View event → |
| M 4.9 | 225 km S of Pagar Alam, Indonesia | 35.0 km | 2021-05-02 12:07:31 UTC | View event → |
| M 4.8 | 134 km WSW of Ternate, Indonesia | 44.3 km | 2021-05-31 02:54:10 UTC | View event → |
| M 4.8 | 90 km WNW of Meulaboh, Indonesia | 57.3 km | 2021-05-24 15:05:23 UTC | View event → |
| M 4.8 | 128 km S of Bengkulu, Indonesia | 33.2 km | 2021-05-21 18:36:48 UTC | View event → |
| M 4.8 | 34 km SSW of Dompu, Indonesia | 92.2 km | 2021-05-20 04:07:20 UTC | View event → |
| M 4.8 | Nias region, Indonesia | 10.0 km | 2021-05-17 12:21:56 UTC | View event → |
| M 4.8 | 109 km NW of Ternate, Indonesia | 65.5 km | 2021-05-14 02:49:13 UTC | View event → |
| M 4.8 | 23 km SW of Sinabang, Indonesia | 14.4 km | 2021-05-10 20:44:34 UTC | View event → |
| M 4.7 | 254 km S of Sinabang, Indonesia | 10.0 km | 2021-05-28 01:08:21 UTC | View event → |
| M 4.7 | 53 km W of Labuan, Indonesia | 10.0 km | 2021-05-23 04:33:48 UTC | View event → |
| M 4.7 | 45 km NW of Labuan, Indonesia | 10.0 km | 2021-05-23 03:52:33 UTC | View event → |
| M 4.7 | 254 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 07:16:04 UTC | View event → |
| M 4.7 | 273 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 06:47:48 UTC | View event → |
| M 4.7 | 289 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 06:43:17 UTC | View event → |
| M 4.6 | 228 km N of Tobelo, Indonesia | 102.3 km | 2021-05-31 02:43:09 UTC | View event → |
| M 4.6 | 205 km SSE of Tondano, Indonesia | 51.4 km | 2021-05-24 16:16:57 UTC | View event → |
| M 4.6 | 130 km W of Ternate, Indonesia | 10.5 km | 2021-05-20 08:02:29 UTC | View event → |
| M 4.6 | 274 km N of Tobelo, Indonesia | 81.2 km | 2021-05-14 08:17:45 UTC | View event → |
| M 4.6 | 230 km S of Nusa Dua, Indonesia | 10.0 km | 2021-05-09 09:42:47 UTC | View event → |
| M 4.6 | 89 km S of Amahai, Indonesia | 10.0 km | 2021-05-07 02:00:10 UTC | View event → |
| M 4.6 | 116 km WNW of Ternate, Indonesia | 50.3 km | 2021-05-03 12:50:33 UTC | View event → |
| M 4.6 | 42 km WSW of Meulaboh, Indonesia | 50.0 km | 2021-05-02 13:02:17 UTC | View event → |
| M 4.6 | 46 km SW of Komodo, Indonesia | 138.0 km | 2021-05-02 06:36:04 UTC | View event → |
| M 4.6 | 55 km WSW of Poso, Indonesia | 10.0 km | 2021-05-01 09:21:58 UTC | View event → |
| M 4.5 | 128 km WSW of Ternate, Indonesia | 24.8 km | 2021-05-31 02:51:12 UTC | View event → |
| M 4.5 | 136 km WSW of Gorontalo, Indonesia | 225.3 km | 2021-05-31 00:15:56 UTC | View event → |
| M 4.5 | 198 km SW of Labuan, Indonesia | 10.0 km | 2021-05-28 22:17:30 UTC | View event → |
| M 4.5 | 37 km S of Sinabang, Indonesia | 22.0 km | 2021-05-28 13:32:32 UTC | View event → |
| M 4.5 | northern Sumatra, Indonesia | 106.9 km | 2021-05-25 17:14:57 UTC | View event → |
| M 4.5 | 85 km NE of Tobelo, Indonesia | 234.6 km | 2021-05-25 01:09:08 UTC | View event → |
| M 4.5 | 130 km WNW of Ternate, Indonesia | 49.7 km | 2021-05-23 21:30:44 UTC | View event → |
| M 4.5 | Papua, Indonesia | 139.5 km | 2021-05-22 22:42:13 UTC | View event → |
| M 4.5 | 267 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 18:51:01 UTC | View event → |
| M 4.5 | 209 km S of Sinabang, Indonesia | 10.0 km | 2021-05-14 07:48:32 UTC | View event → |
| M 4.5 | 207 km NW of Tual, Indonesia | 20.3 km | 2021-05-10 08:50:27 UTC | View event → |
| M 4.5 | 83 km NE of Sorong, Indonesia | 35.0 km | 2021-05-09 22:14:11 UTC | View event → |
| M 4.5 | 155 km WNW of Abepura, Indonesia | 28.4 km | 2021-05-06 02:41:28 UTC | View event → |
| M 4.5 | 132 km WSW of Ternate, Indonesia | 43.6 km | 2021-05-04 19:50:23 UTC | View event → |
| M 4.5 | 18 km E of Pelabuhanratu, Indonesia | 72.2 km | 2021-05-04 14:03:03 UTC | View event → |
| M 4.5 | 49 km ENE of Nabire, Indonesia | 37.5 km | 2021-05-04 05:23:47 UTC | View event → |
| M 4.5 | 137 km SSE of Sinabang, Indonesia | 10.0 km | 2021-05-01 01:47:28 UTC | View event → |