| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/08/17 | 06:20:35.1 | 10:50:35.1 | 36.63 | 54.88 | 14 | ML:2.9 | Semnan Province, 31 km South of Ali Abad | ||
| 2011/08/11 | 22:32:17.2 | 03:02:17.2 | 36.56 | 54.81 | 8 | ML:4.7 | Semnan Province, 21 km North-West of Shahrud | download |