| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2012/10/21 | 20:54:07.5 | 00:24:07.5 | 36.44 | 54.9 | 14 | ML:2.7 | Semnan Province, 6 km Shahrud | ||
| 2012/10/21 | 19:07:50.1 | 22:37:50.1 | 36.97 | 55.62 | 6 | ML:3.7 | Semnan Province, 36 km South-East of Minodasht | ||
| 2012/10/21 | 01:27:10.3 | 04:57:10.3 | 36.99 | 55.56 | 14 | ML:2.4 | Golestan Province, 31 km South-East of Minodasht | ||
| 2012/10/19 | 04:43:08.3 | 08:13:08.3 | 37.23 | 56.55 | 14 | ML:4 | Khorasan(north) Province, 34 km North-East of Jajarm | ||
| 2012/10/16 | 00:15:36.2 | 03:45:36.2 | 35.97 | 55.66 | 6 | ML:2.6 | Semnan Province, 79 km South-East of Shahrud |