| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/05/19 | 09:43:52.0 | 14:13:52.0 | 37.72 | 56.98 | 14 | ML:2.9 | Khorasan(north) Province, 19 km North of Ashkhaneh | ||
| 2010/05/12 | 21:11:29.3 | 01:41:29.3 | 37.15 | 55.97 | 6 | ML:3.6 | Semnan Province, 44 km North-West of Jajarm | ||
| 2010/05/03 | 17:49:02.0 | 22:19:02.0 | 36.4 | 56.36 | 23 | ML:2.9 | Semnan Province, 61 km South of Jajarm | ||
| 2010/04/19 | 03:31:15.9 | 08:01:15.9 | 37.29 | 56.69 | 15 | ML:4.4 | Khorasan(north) Province, 36 km South-West of Ashkhaneh |