| Origin Time(UTC) | M | Type | Lat | Long | Depth(km below MSL) | Region | Mode | Update(UTC) |
| 2018-03-21 05:13:21 | 1.5 | ML | 31.37° N | 103.46° W | 3 km | Western Texas | M | 2018-07-10 16:32:39 |
| 2018-03-21 07:05:45 | 1.8 | ML | 31.10° N | 103.32° W | 5 km | Western Texas | M | 2018-10-25 17:40:32 |
| 2018-03-21 13:17:41 | 1.3 | ML | 31.40° N | 103.52° W | 6 km | Western Texas | M | 2018-04-12 19:30:29 |
| 2018-03-21 14:09:18 | 1.2 | ML | 32.95° N | 100.92° W | 6 km | Western Texas | M | 2018-04-12 18:59:39 |
