| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 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 | ||
| 2011/04/13 | 02:21:27.7 | 06:51:27.7 | 34.96 | 53.81 | 17 | ML:3 | Semnan Province, 77 km South-East of Semnan | ||
| 2011/04/07 | 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 |