| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2018/12/11 | 21:17:03.6 | 00:47:03.6 | 35.032 | 52.453 | 14 | ML:2.7 | Semnan Province, 23 km South-East of Garmsar | ||
| 2018/12/10 | 19:15:53.7 | 22:45:53.7 | 35.074 | 52.378 | 14 | ML:2.7 | Semnan Province, 16 km South of Garmsar | ||
| 2018/12/10 | 10:05:57.7 | 13:35:57.7 | 35.92 | 51.96 | 17 | ML:2.7 | Mazandaran Province, 25 km North-West of Damavand | ||
| 2018/12/10 | 10:05:14.7 | 13:35:14.7 | 35.977 | 52 | 6 | ML:2.7 | Mazandaran Province, 30 km North of Damavand | ||
| 2018/12/04 | 22:52:05.0 | 02:22:05.0 | 35.966 | 52.284 | 8 | ML:2.5 | Mazandaran Province, 34 km North-East of Damavand |
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