| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/05/08 | 22:15:31.0 | 02:45:31.0 | 34.56 | 52.44 | 15 | ML:2.6 | Semnan Province, 74 km South-East of Garmsar | ||
| 2011/05/08 | 04:02:58.5 | 08:32:58.5 | 34.87 | 52.65 | 15 | ML:3.2 | Semnan Province, 49 km South-East of Garmsar |