| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 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 |
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 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 |