| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/05/22 | 19:14:39.1 | 23:44:39.1 | 37.29 | 56.88 | 46 | ML:2.8 | Khorasan(north) Province, 30 km South of Ashkhaneh | ||
| 2010/05/22 | 06:23:56.3 | 10:53:56.3 | 37.73 | 56.97 | 16 | ML:2.6 | Khorasan(north) Province, 20 km North of Ashkhaneh | ||
| 2010/05/20 | 11:09:00.9 | 15:39:00.9 | 37.73 | 55.97 | 12 | ML:2.8 | Golestan Province, 57 km North-East of Kalaleh | ||
| 2010/05/20 | 06:48:22.5 | 11:18:22.5 | 37.74 | 56.96 | 14 | ML:2.9 | Khorasan(north) Province, 21 km North of Ashkhaneh | ||
| 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 |