| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2013/08/20 | 12:49:32.8 | 17:19:32.8 | 35.62 | 56.52 | 15 | ML:3.9 | Semnan Province, 148 km South-East of Jajarm |
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2013/08/20 | 12:49:32.8 | 17:19:32.8 | 35.62 | 56.52 | 15 | ML:3.9 | Semnan Province, 148 km South-East of Jajarm |