| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2012/05/17 | 23:41:14.8 | 04:11:14.8 | 37.23 | 54.59 | 16 | ML:2.1 | Golestan Province, 27 km North-East of Aq Qaleh | ||
| 2012/05/17 | 07:51:20.6 | 12:21:20.6 | 36.84 | 55.36 | 8 | ML:2.9 | Golestan Province, 27 km South-East of Ramian | ||
| 2012/05/17 | 01:18:57.9 | 05:48:57.9 | 36.52 | 55.48 | 14 | ML:3 | Semnan Province, 47 km North-East of Shahrud | ||
| 2012/05/10 | 04:21:42.5 | 08:51:42.5 | 36.84 | 55.24 | 14 | ML:2.1 | Golestan Province, 21 km South of Ramian | ||
| 2012/05/05 | 04:46:18.1 | 09:16:18.1 | 36.18 | 53.15 | 14 | ML:3.9 | Mazandaran Province, 11 km Pol-E-Sefid | ||
| 2012/05/02 | 16:44:31.2 | 21:14:31.2 | 36.56 | 55.63 | 14 | ML:3.9 | Semnan Province, 61 km North-East of Shahrud | ||
| 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 |