| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/05/08 | 22:15:31.0 | 02:45:31.0 | 34.56 | 52.44 | 15 | ML:2.6 | Semnan Province, 74 km South-East of Garmsar | ||
| 2011/05/08 | 04:02:58.5 | 08:32:58.5 | 34.87 | 52.65 | 15 | ML:3.2 | Semnan Province, 49 km South-East of Garmsar | ||
| 2011/05/06 | 00:49:20.2 | 05:19:20.2 | 36.19 | 53.27 | 15 | ML:3 | Mazandaran Province, 21 km East of Pol-E-Sefid | ||
| 2011/04/30 | 07:18:39.5 | 11:48:39.5 | 36.06 | 51.56 | 16 | ML:2.6 | Tehran Province, 31 km North-East of Tajrish | ||
| 2011/04/21 | 21:23:40.9 | 01:53:40.9 | 33.56 | 52.41 | 15 | ML:3.8 | Esfahan Province, 20 km North of Ardestan | ||
| 2011/04/20 | 06:01:56.5 | 10:31:56.5 | 35.66 | 52.54 | 7 | ML:2.8 | Tehran Province, 23 km West of Firuzkuh | ||
| 2011/04/13 | 02:21:27.7 | 06:51:27.7 | 34.96 | 53.81 | 17 | ML:3 | Semnan Province, 77 km South-East of Semnan | ||
| 2011/04/10 | 20:27:46.9 | 00:57:46.9 | 35.46 | 52.07 | 14 | ML:2.8 | Semnan Province, 29 km South of Damavand | ||
| 2011/04/10 | 14:34:30.3 | 19:04:30.3 | 35.51 | 52.16 | 18 | ML:3 | Tehran Province, 24 km South of Damavand |