
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2006/04/30 | 00:06:21.7 | 03:36:21.7 | 36.83 | 50.88 | 15 | ML:3.3 | 2 km Tonekabon, Mazandaran Province |

| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2006/04/30 | 00:06:21.7 | 03:36:21.7 | 36.83 | 50.88 | 15 | ML:3.3 | 2 km Tonekabon, Mazandaran Province |