| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 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 | ||
| 2011/04/08 | 16:20:57.5 | 20:50:57.5 | 36.62 | 54 | 14 | ML:3 | Mazandaran Province, 17 km South of Bandar-e gaz | ||
| 2011/04/07 | 09:08:03.2 | 13:38:03.2 | 34.42 | 51.42 | 14 | ML:3.4 | Esfahan Province, 40 km North of Aran va bidgol | ||
| 2011/04/06 | 12:12:26.4 | 16:42:26.4 | 35.51 | 51.95 | 14 | ML:3.9 | Semnan Province, 25 km East of Pakdasht | ||
| 2011/03/24 | 10:12:32.5 | 14:42:32.5 | 35.12 | 51.04 | 17 | ML:2.7 | Qom Province, 39 km South of Robatkarim |