
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/04/04 | 02:21:48.5 | 06:51:48.5 | 36.5 | 55.18 | 17 | ML:2.9 | Semnan Province, 21 km East of Shahrud |

| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2010/04/04 | 02:21:48.5 | 06:51:48.5 | 36.5 | 55.18 | 17 | ML:2.9 | Semnan Province, 21 km East of Shahrud |