| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/08/20 | 21:01:14.2 | 01:31:14.2 | 36.43 | 54.33 | 15 | ML:2.7 | Semnan Province, 30 km North of Damghan | ||
| 2010/08/14 | 10:04:09.2 | 14:34:09.2 | 34.98 | 53.38 | 14 | ML:3 | Semnan Province, 65 km South of Semnan | ||
| 2010/08/13 | 03:41:37.0 | 08:11:37.0 | 35.61 | 53.39 | 14 | ML:2.7 | Semnan Province, 5 km Semnan |