| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/05/24 | 11:15:31.5 | 15:45:31.5 | 35.9 | 53.32 | 14 | ML:3 | Semnan Province, 37 km North of Semnan | ||
| 2010/05/24 | 10:30:05.5 | 15:00:05.5 | 36 | 53.27 | 14 | ML:2.9 | Mazandaran Province, 23 km South-East of Pol-E-Sefid | ||
| 2010/05/24 | 10:28:01.8 | 14:58:01.8 | 35.84 | 53.37 | 14 | ML:3 | Semnan Province, 31 km North of Semnan | ||
| 2010/05/19 | 00:59:55.7 | 05:29:55.7 | 35.28 | 52.03 | 35 | ML:3.1 | Semnan Province, 29 km West of Garmsar | ||
| 2010/05/13 | 19:08:24.9 | 23:38:24.9 | 34.67 | 52.86 | 6 | ML:2.6 | Semnan Province, 77 km South-East of Garmsar | ||
| 2010/05/01 | 13:36:13.1 | 18:06:13.1 | 35.43 | 52.71 | 16 | ML:3.1 | Semnan Province, 36 km South of Firuzkuh |