| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/02/26 | 14:59:23.1 | 18:29:23.1 | 36.86 | 55.33 | 15 | ML:2.7 | Golestan Province, 24 km South-East of Ramian | ||
| 2011/02/08 | 06:24:19.8 | 09:54:19.8 | 36.56 | 55.74 | 10 | ML:4.3 | Semnan Province, 71 km North-East of Shahrud | ||
| 2011/02/07 | 21:35:39.3 | 01:05:39.3 | 37.32 | 54.77 | 41 | ML:3.6 | Golestan Province, 34 km West of Gonbad-e kavus |