| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/05/22 | 21:38:27.0 | 02:08:27.0 | 36.3 | 58.21 | 15 | ML:3 | Khorasan(center) Province, 49 km East of Sabzevar | ||
| 2011/05/11 | 20:53:23.9 | 01:23:23.9 | 37.74 | 56.98 | 14 | ML:3 | Khorasan(north) Province, 21 km North of Ashkhaneh | ||
| 2011/04/23 | 08:00:50.6 | 12:30:50.6 | 34.9 | 58.02 | 41 | ML:4 | Khorasan(center) Province, 40 km South of Bardeskan |