| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2017/01/28 | 22:28:40.3 | 01:58:40.3 | 36.052 | 53.794 | 15 | ML:3.6 | Semnan Province, 51 km South-West of Damghan |
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2017/01/28 | 22:28:40.3 | 01:58:40.3 | 36.052 | 53.794 | 15 | ML:3.6 | Semnan Province, 51 km South-West of Damghan |