| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/05/23 | 06:47:51.2 | 11:17:51.2 | 34.29 | 48.32 | 15 | ML:2.9 | Hamedan Province, 12 km North of Nahavand | ||
| 2010/05/22 | 04:40:46.7 | 09:10:46.7 | 35.79 | 48.87 | 14 | ML:3 | Ghazvin Province, 47 km North-West of Razan | ||
| 2010/05/20 | 13:03:29.8 | 17:33:29.8 | 35.74 | 48.83 | 6 | ML:3 | Ghazvin Province, 44 km North-West of Razan | ||
| 2010/05/20 | 09:52:28.7 | 14:22:28.7 | 35.78 | 48.89 | 14 | ML:3.5 | Ghazvin Province, 46 km North-West of Razan | ||
| 2010/05/07 | 21:37:11.8 | 02:07:11.8 | 34.25 | 48.28 | 15 | ML:2.9 | Hamedan Province, 10 km Nahavand | ||
| 2010/04/27 | 08:18:00.2 | 12:48:00.2 | 33.83 | 48.7 | 14 | ML:3 | Lorestan Province, 9 km Borujerd |