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