| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2012/05/27 | 22:25:16.2 | 02:55:16.2 | 35.86 | 51.98 | 14 | ML:2.4 | Mazandaran Province, 18 km North of Damavand | ||
| 2012/05/22 | 00:48:02.1 | 05:18:02.1 | 35.35 | 51.96 | 15 | ML:2.7 | Semnan Province, 27 km East of Varamin | ||
| 2012/05/21 | 05:18:00.4 | 09:48:00.4 | 35.99 | 52.85 | 14 | ML:2.3 | Mazandaran Province, 28 km North of Firuzkuh |