| M 6.1 | Nicobar Islands, India region | 10.0 km | 2021-08-03 03:42:38 UTC | View event → |
| M 6.0 | South Indian Ocean | 10.0 km | 2021-11-15 04:23:30 UTC | View event → |
| M 6.0 | Mid-Indian Ridge | 10.0 km | 2021-10-02 20:43:39 UTC | View event → |
| M 6.0 | 8 km NNW of Dhekiajuli, India | 34.0 km | 2021-04-28 02:21:26 UTC | View event → |
| M 5.8 | Nicobar Islands, India region | 10.0 km | 2021-08-03 03:43:53 UTC | View event → |
| M 5.8 | southeast Indian Ridge | 10.0 km | 2021-07-03 11:58:07 UTC | View event → |
| M 5.8 | southeast Indian Ridge | 10.0 km | 2021-02-26 11:58:28 UTC | View event → |
| M 5.7 | western Indian-Antarctic Ridge | 10.0 km | 2021-10-30 09:03:22 UTC | View event → |
| M 5.6 | Mid-Indian Ridge | 10.0 km | 2021-04-03 20:26:00 UTC | View event → |
| M 5.5 | Mid-Indian Ridge | 10.0 km | 2021-12-06 00:55:41 UTC | View event → |
| M 5.5 | Nicobar Islands, India region | 8.8 km | 2021-08-04 17:57:39 UTC | View event → |
| M 5.5 | southeast Indian Ridge | 10.0 km | 2021-07-05 06:12:13 UTC | View event → |
| M 5.5 | southeast Indian Ridge | 10.0 km | 2021-05-19 16:08:27 UTC | View event → |
| M 5.5 | southeast Indian Ridge | 10.0 km | 2021-02-25 08:51:05 UTC | View event → |
| M 5.4 | South Indian Ocean | 10.0 km | 2021-12-25 09:20:12 UTC | View event → |
| M 5.4 | Mid-Indian Ridge | 10.0 km | 2021-12-07 02:44:04 UTC | View event → |
| M 5.4 | Mid-Indian Ridge | 10.0 km | 2021-11-02 20:55:06 UTC | View event → |
| M 5.4 | Nicobar Islands, India region | 10.0 km | 2021-09-24 15:04:15 UTC | View event → |
| M 5.4 | Mid-Indian Ridge | 10.0 km | 2021-08-04 07:17:20 UTC | View event → |
| M 5.3 | Southwest Indian Ridge | 10.0 km | 2021-11-23 20:48:28 UTC | View event → |
| M 5.3 | South Indian Ocean | 10.0 km | 2021-11-16 08:33:01 UTC | View event → |
| M 5.3 | South Indian Ocean | 10.0 km | 2021-11-15 07:11:58 UTC | View event → |
| M 5.3 | Southwest Indian Ridge | 10.0 km | 2021-10-14 03:47:04 UTC | View event → |
| M 5.3 | Nicobar Islands, India region | 10.0 km | 2021-08-03 03:42:07 UTC | View event → |
| M 5.3 | Nicobar Islands, India region | 10.0 km | 2021-08-03 01:51:14 UTC | View event → |
| M 5.3 | 8 km SSE of Lakhipur, India | 10.0 km | 2021-07-07 03:15:24 UTC | View event → |
| M 5.3 | Mid-Indian Ridge | 10.0 km | 2021-06-15 23:50:04 UTC | View event → |
| M 5.3 | western Indian-Antarctic Ridge | 10.0 km | 2021-05-17 01:09:56 UTC | View event → |
| M 5.3 | Mid-Indian Ridge | 10.0 km | 2021-04-30 21:49:38 UTC | View event → |
| M 5.3 | Mid-Indian Ridge | 10.0 km | 2021-03-09 21:46:20 UTC | View event → |
| M 5.2 | Mid-Indian Ridge | 10.0 km | 2021-12-07 03:14:37 UTC | View event → |
| M 5.2 | 267 km N of Bamboo Flat, India | 10.0 km | 2021-09-11 03:20:17 UTC | View event → |
| M 5.2 | western Indian-Antarctic Ridge | 10.0 km | 2021-08-12 23:18:42 UTC | View event → |
| M 5.2 | South Indian Ocean | 10.0 km | 2021-07-01 15:06:34 UTC | View event → |
| M 5.1 | Mid-Indian Ridge | 10.0 km | 2021-12-25 19:21:39 UTC | View event → |
| M 5.1 | 225 km N of Bamboo Flat, India | 10.0 km | 2021-12-19 03:19:46 UTC | View event → |
| M 5.1 | Mid-Indian Ridge | 10.0 km | 2021-12-16 20:40:29 UTC | View event → |
| M 5.1 | South Indian Ocean | 10.0 km | 2021-11-14 21:58:55 UTC | View event → |
| M 5.1 | 257 km SSE of R?zole, India | 10.0 km | 2021-08-24 07:05:53 UTC | View event → |
| M 5.1 | Nicobar Islands, India region | 10.0 km | 2021-08-06 08:19:04 UTC | View event → |
| M 5.1 | Nicobar Islands, India region | 20.3 km | 2021-08-05 12:46:01 UTC | View event → |
| M 5.1 | Mid-Indian Ridge | 10.0 km | 2021-06-16 04:56:05 UTC | View event → |
| M 5.1 | southeast Indian Ridge | 10.0 km | 2021-03-26 22:59:37 UTC | View event → |
| M 5.1 | 16 km W of Kishtw?r, India | 10.0 km | 2021-01-11 14:02:03 UTC | View event → |
| M 5.1 | southeast Indian Ridge | 12.0 km | 2021-01-09 03:38:16 UTC | View event → |
| M 5.0 | 213 km SSE of Port Blair, India | 92.4 km | 2021-12-29 00:01:00 UTC | View event → |
| M 5.0 | Andaman Islands, India region | 10.0 km | 2021-12-21 21:08:33 UTC | View event → |
| M 5.0 | Mid-Indian Ridge | 10.0 km | 2021-12-16 22:20:05 UTC | View event → |
| M 5.0 | South Indian Ocean | 10.0 km | 2021-11-15 07:13:32 UTC | View event → |
| M 5.0 | Southwest Indian Ridge | 10.0 km | 2021-10-08 00:09:46 UTC | View event → |
| M 5.0 | Indian Ocean Triple Junction | 10.0 km | 2021-09-21 18:24:19 UTC | View event → |
| M 5.0 | South Indian Ocean | 10.0 km | 2021-08-16 13:13:03 UTC | View event → |
| M 5.0 | western Indian-Antarctic Ridge | 10.0 km | 2021-08-14 17:47:09 UTC | View event → |
| M 5.0 | Southwest Indian Ridge | 10.0 km | 2021-06-23 07:23:28 UTC | View event → |
| M 5.0 | Mid-Indian Ridge | 10.0 km | 2021-05-14 10:54:04 UTC | View event → |
| M 5.0 | Mid-Indian Ridge | 10.0 km | 2021-05-01 00:05:41 UTC | View event → |
| M 5.0 | 6 km NE of Dhekiajuli, India | 35.0 km | 2021-04-28 02:33:01 UTC | View event → |
| M 5.0 | 47 km NNE of Bomdila, India | 29.8 km | 2021-03-26 19:02:07 UTC | View event → |
| M 5.0 | southeast Indian Ridge | 10.0 km | 2021-03-26 08:29:41 UTC | View event → |
| M 5.0 | southeast Indian Ridge | 10.0 km | 2021-03-23 07:39:58 UTC | View event → |