
| Magnitude | :2.9 | 
| Date & Time (UTC) | 2010-04-04 02:21:48.5 | 
| Date & Time (Local) | 1389/1/15 06:51:48.5 | 
| Location | Lat:36.5 Lon: 55.18 | 
| Region | Semnan Province, 21 km East of Shahrud | 
| Nearest Cities | |
| 16 km North East of Bastam, Semnan Province | |
| 16 km South of Qaleh-ye nokharqan, Semnan Province | |
| 21 km North East of Shahrud, Semnan Province | |
| 22 km South West of Kalateh khanj, Semnan Province | |
| 23 km North East of Ruyan, Semnan Province | |
| Depth | 17 km | 
| Agency | |
| Faults within 150 km: | |
| SHAVAR_F (Length: 87 km) , Distance to epicenter: 25 km | |
| MEYAMEY_F (Length: 141 km) , Distance to epicenter: 29 km | |
| DAMGHAN_F (Length: 95 km) , Distance to epicenter: 44 km | |
| Number of Phases | 5 | 
| RMS | 0.1 | 
| Number of Stations | 4 | 
| Error in Latitude | >6.1 km | 
| Error in Longitude | 4.7 km | 
| Error in Depth | 18.2 km | 
Download waveform in seisan format
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| Amplitude | ||||||||
| UID | Agency | Station | Component | Amplitude | Period | Arrival Time | Proccessing Time | Signal Clip | 
| 59870 | IIEES | MRVT | N | 163.7 | 0.11 | 2010-04-04 02:22:32 | 2010-04-04 02:57:00 | n | 
| 59871 | IIEES | MRVT | E | 212.3 | 0.57 | 2010-04-04 02:22:34 | 2010-04-04 02:57:00 | n | 
| 59872 | IIEES | DAMV | E | 33 | 0.13 | 2010-04-04 02:23:21 | 2010-04-04 02:57:00 | n | 
| Phase | ||||||||||||
| Agency | Station | Component | Phase Type | Phase Quality | First Motion | Observed Arrival Time | Time Residual | Loc. Flag | Input Weight | Distance | Azimuth | |
| IIEES | MRVT | Z | Pg | E | 2010-04-04 02:22:13 | 0 | y | 152 | 32 | |||
| IIEES | MRVT | E | Sg | E | 2010-04-04 02:22:32 | 0 | y | 152 | 32 | |||
| IIEES | DAMV | Z | Pn | E | 2010-04-04 02:22:34 | 0.2 | y | 305 | 253 | |||
| IIEES | TABS | Z | Pn | E | 2010-04-04 02:22:40 | 0 | y | 362 | 150 | |||
| IIEES | CHTH | Z | Pn | E | 2010-04-04 02:22:41 | -0.2 | y | 371 | 261 | |||
