
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2007/12/23 | 12:05:39.0 | 15:35:39.0 | 34.69 | 54.51 | 18 | ML:2.7 | 140 km South-East of Semnan, Semnan Province |

| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2007/12/23 | 12:05:39.0 | 15:35:39.0 | 34.69 | 54.51 | 18 | ML:2.7 | 140 km South-East of Semnan, Semnan Province |