
| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/12/18 | 04:50:12.0 | 08:20:12.0 | 34.75 | 50.06 | 17 | ML2.7 | Markazi Province, 7 km Tafresh |
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| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/12/18 | 04:50:12.0 | 08:20:12.0 | 34.75 | 50.06 | 17 | ML2.7 | Markazi Province, 7 km Tafresh |