| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2009/10/20 | 21:48:31.8 | 01:18:31.8 | 36.71 | 55.02 | 7 | ML:3.5 | Semnan Province, 25 km South-East of Ali Abad | ||
| 2009/10/19 | 22:04:45.0 | 01:34:45.0 | 36.77 | 55.47 | 14 | ML:2.6 | Semnan Province, 52 km South of Minodasht |