| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2012/04/30 | 01:33:23.3 | 06:03:23.3 | 35.37 | 53.29 | 29 | ML:4.2 | Semnan Province, 24 km South-West of Semnan | ||
| 2012/04/29 | 21:36:22.8 | 02:06:22.8 | 35.33 | 53.21 | 14 | ML:2.6 | Semnan Province, 32 km South-West of Semnan | ||
| 2012/04/29 | 12:16:11.5 | 16:46:11.5 | 36.81 | 54.66 | 14 | ML:3.2 | Golestan Province, 20 km East of Gorgan | ||
| 2012/04/29 | 00:58:25.8 | 05:28:25.8 | 36.8 | 54.69 | 16 | ML:3.3 | Golestan Province, 20 km South-West of Ali Abad | ||
| 2012/04/22 | 06:38:57.9 | 11:08:57.9 | 36.09 | 53.31 | 14 | ML:4.1 | Mazandaran Province, 23 km East of Pol-E-Sefid |