| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2018/12/31 | 09:05:45.8 | 12:35:45.8 | 35.622 | 49.714 | 14 | ML:2.5 | Ghazvin Province, 49 km South of Takestan | ||
| 2018/12/28 | 21:31:46.4 | 01:01:46.4 | 36.575 | 51.072 | 15 | ML:2.5 | Mazandaran Province, 31 km South-East of Tonekabon | ||
| 2018/12/23 | 05:38:17.5 | 09:08:17.5 | 36.684 | 49.833 | 15 | ML:3.8 | Gilan Province, 52 km South of Siahkal | ||
| 2018/12/21 | 05:54:47.6 | 09:24:47.6 | 34.667 | 50.644 | 15 | ML:2.5 | Qom Province, 21 km -West of Qom | ||
| 2018/12/17 | 07:18:23.9 | 10:48:23.9 | 34.826 | 48.469 | 14 | ML:2.6 | Hamedan Province, 5 km of Hamedan | ||
| 2018/12/16 | 17:42:22.4 | 21:12:22.4 | 35.741 | 48.85 | 14 | ML:2.5 | Ghazvin Province, 43 km North-West of Razan | ||
| 2018/12/09 | 15:46:28.9 | 19:16:28.9 | 34.19 | 48.347 | 15 | ML:3.2 | Hamedan Province, 1 km of Nahavand | ||
| 2018/12/09 | 15:43:25.8 | 19:13:25.8 | 34.194 | 48.324 | 15 | ML:3.5 | Hamedan Province, 4 km of Nahavand | ||
| 2018/12/04 | 03:13:45.0 | 06:43:45.0 | 34.301 | 48.283 | 15 | ML:3 | Hamedan Province, 14 km North of Nahavand | ||
| 2018/12/02 | 23:30:06.8 | 03:00:06.8 | 34.388 | 48.733 | 14 | ML:3.5 | Hamedan Province, 13 km of Malayer |
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