| Origin Time(UTC) | M | Type | Lat | Long | Depth(km below MSL) | Region | Mode | Update(UTC) |
| 2017-03-21 16:43:44 | 2.0 | ML | 29.09° N | 97.73° W | 12 km | Central Texas | M | 2017-10-12 20:59:11 |
| 2017-03-21 22:11:48 | 1.4 | ML | 31.56° N | 103.41° W | 7 km | Western Texas | M | 2017-10-12 16:56:01 |
