| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2017/05/20 | 11:35:18.0 | 16:05:18.0 | 37.059 | 54.665 | 17 | ML2.7 | Golestan Province, 19 km -East of Aq Qaleh | ||
| 2017/05/20 | 06:13:36.0 | 10:43:36.0 | 36.668 | 54.926 | 14 | ML2.7 | Semnan Province, 28 km North of Shahrud | ||
| 2017/05/16 | 07:34:17.1 | 12:04:17.1 | 37.204 | 54.33 | 15 | ML3.4 | Golestan Province, 24 km North-West of Aq Qaleh |