| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/12/29 | 11:51:04.6 | 15:21:04.6 | 36.76 | 54.75 | 14 | ML:3.1 | Golestan Province, 20 km South-West of Ali Abad | ||
| 2011/12/23 | 03:52:03.9 | 07:22:03.9 | 36.71 | 55.01 | 14 | ML:2.9 | Semnan Province, 25 km South-East of Ali Abad | ||
| 2011/12/15 | 17:20:28.9 | 20:50:28.9 | 37.79 | 55.75 | 18 | ML:3.2 | Golestan Province, 51 km North-East of Kalaleh | ||
| 2011/12/13 | 04:44:42.8 | 08:14:42.8 | 36.69 | 55.17 | 14 | ML:3 | Semnan Province, 36 km South of Ramian | ||
| 2011/12/12 | 00:24:53.9 | 03:54:53.9 | 36.02 | 53.41 | 14 | ML:2.8 | Semnan Province, 33 km East of Pol-E-Sefid | ||
| 2011/12/11 | 15:21:19.4 | 18:51:19.4 | 37.04 | 55.26 | 17 | ML:3.8 | Golestan Province, 8 km Azadshahr | ||
| 2011/12/04 | 08:48:39.0 | 12:18:39.0 | 37.41 | 55.28 | 16 | ML:3.5 | Golestan Province, 19 km West of Kalaleh | ||
| 2011/12/03 | 02:18:09.3 | 05:48:09.3 | 36.36 | 54.17 | 15 | ML:2.8 | Semnan Province, 27 km North-West of Damghan | ||
| 2011/12/01 | 03:56:42.1 | 07:26:42.1 | 37.8 | 55.8 | 6 | ML:2.7 | Golestan Province, 54 km North-East of Kalaleh |