| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2017/04/27 | 11:20:16.2 | 15:50:16.2 | 35.898 | 53.371 | 15 | ML3.1 | Semnan Province, 37 km North of Semnan | ||
| 2017/04/25 | 11:54:44.1 | 16:24:44.1 | 37.21 | 54.598 | 15 | ML2.3 | Golestan Province, 25 km North-East of Aq Qaleh | ||
| 2017/04/24 | 11:09:12.2 | 15:39:12.2 | 36.95 | 53.111 | 14 | ML3.5 | Caspian Sea, 44 km North of Sari | ||
| 2017/04/22 | 13:37:40.8 | 18:07:40.8 | 37.287 | 54.466 | 16 | ML4 | Golestan Province, 31 km North of Aq Qaleh |