| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2009/04/23 | 00:03:51.4 | 04:33:51.4 | 36.6 | 51.52 | 16 | ML:2.5 | 5 km Nowshahr, Mazandaran Province | ||
| 2009/04/22 | 16:57:15.2 | 21:27:15.2 | 36.44 | 52.15 | 14 | ML:2.5 | 18 km South-East of Nur, Mazandaran Province | ||
| 2009/04/17 | 03:04:28.4 | 07:34:28.4 | 35.34 | 52.99 | 14 | ML:2.7 | 45 km South-West of Semnan, Semnan Province | ||
| 2009/04/17 | 02:51:06.9 | 07:21:06.9 | 35.32 | 53.01 | 14 | ML:3.4 | 44 km South-West of Semnan, Semnan Province |
