| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/03/31 | 07:04:33.7 | 11:34:33.7 | 34.34 | 48.24 | 14 | ML:2.5 | Hamedan Province, 20 km North-West of Nahavand | ||
| 2011/03/28 | 23:56:45.4 | 04:26:45.4 | 34.13 | 48.33 | 14 | ML:2.6 | Hamedan Province, 8 km Nahavand | ||
| 2011/03/23 | 08:34:12.6 | 13:04:12.6 | 35.12 | 47.11 | 9 | ML:2.8 | Kordestan Province, 24 km South-East of Sanandaj | ||
| 2011/03/22 | 07:07:57.4 | 11:37:57.4 | 33.55 | 49.18 | 16 | ML:3.8 | Lorestan Province, 13 km East of Dorud | ||
| 2011/03/17 | 23:27:36.3 | 02:57:36.3 | 35.84 | 48.93 | 15 | ML:2.5 | Ghazvin Province, 52 km North-West of Razan | ||
| 2011/03/12 | 13:06:34.7 | 16:36:34.7 | 35.42 | 49.72 | 44 | ML:2.9 | Markazi Province, 72 km South of Takestan | ||
| 2011/03/06 | 05:09:45.9 | 08:39:45.9 | 33.53 | 48.81 | 35 | ML:2.6 | Lorestan Province, 25 km West of Dorud | ||
| 2011/03/01 | 12:06:49.5 | 15:36:49.5 | 32.93 | 47.88 | 15 | ML:3.1 | Ilam Province, 29 km South-East of Pol-e dokhtar |