| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2012/05/31 | 20:41:33.3 | 01:11:33.3 | 35.84 | 51.01 | 14 | ML:1.7 | Tehran Province, 7 km Karaj | ||
| 2012/05/31 | 01:41:59.6 | 06:11:59.6 | 35.48 | 50.45 | 23 | ML:1.5 | Markazi Province, 52 km North of Saveh | ||
| 2012/05/23 | 22:04:12.4 | 02:34:12.4 | 34.45 | 49.86 | 15 | ML:2.7 | Markazi Province, 16 km West of Ashtiyan | ||
| 2012/05/21 | 17:19:39.3 | 21:49:39.3 | 34.3 | 49.91 | 10 | ML:2.7 | Markazi Province, 26 km South of Ashtiyan | ||
| 2012/05/18 | 12:29:34.0 | 16:59:34.0 | 35.37 | 51.92 | 18 | ML:2.6 | Tehran Province, 23 km East of Varamin | ||
| 2012/05/15 | 10:11:48.0 | 14:41:48.0 | 34.74 | 50.34 | 37 | ML:2 | Qom Province, 32 km South of Saveh | ||
| 2012/05/14 | 00:00:41.6 | 04:30:41.6 | 34.3 | 49.99 | 8 | ML:2.1 | Markazi Province, 25 km South of Ashtiyan | ||
| 2012/05/07 | 05:50:19.1 | 10:20:19.1 | 34.03 | 49.64 | 14 | ML:2.1 | Markazi Province, 7 km Arak |