| Prel. Rep. | Date | Time(UTC) | Time(Local) | Lat. | Lon. | Depth | Mag. | Region | Waveform |
| 2011/05/27 | 20:15:24.3 | 00:45:24.3 | 37.79 | 55.85 | 20 | ML:2.5 | Golestan Province, 55 km North-East of Kalaleh | ||
| 2011/05/17 | 01:09:38.4 | 05:39:38.4 | 37.52 | 56.69 | 18 | ML:2.7 | Khorasan(north) Province, 22 km West of Ashkhaneh | ||
| 2011/05/15 | 14:49:36.7 | 19:19:36.7 | 37.67 | 55.87 | 14 | ML:3.8 | Golestan Province, 46 km North-East of Kalaleh | ||
| 2011/05/11 | 20:53:23.9 | 01:23:23.9 | 37.74 | 56.98 | 14 | ML:3 | Khorasan(north) Province, 21 km North of Ashkhaneh |
