
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2018/08/10 | 23:00:48.3 | 03:30:48.3 | 36.709 | 55.018 | 14 | ML:4.2 | Semnan Province, 32 km North of Shahrud |

| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2018/08/10 | 23:00:48.3 | 03:30:48.3 | 36.709 | 55.018 | 14 | ML:4.2 | Semnan Province, 32 km North of Shahrud |