| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/08/11 | 02:59:08.6 | 07:29:08.6 | 34.44 | 52.5 | 17 | ML:3.5 | Semnan Province, 88 km South-East of Garmsar |
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/08/11 | 02:59:08.6 | 07:29:08.6 | 34.44 | 52.5 | 17 | ML:3.5 | Semnan Province, 88 km South-East of Garmsar |