Event Specification
Magnitude |
4.6 |
| Date & Time (UTC) | 2026-07-31 09:08:55.5 |
| Date & Time (Local) | 1405/5/9 12:38:55.5 |
| Location | Lat:36.159 Lon: 54.169 |
| Region | Semnan Province, 16 km -West of Damghan |
Nearest Cities |
|
| 12 km North of Seydabad, Semnan Province | |
| 15 km North of Amirabad, Semnan Province | |
| 16 km West of Damghan, Semnan Province | |
| 29 km North East of Darvar, Semnan Province | |
| 35 km West of Mehmandust, Semnan Province | |
| Depth | 12 km |
| Agency | |
Faults within 150 km: |
|
| DAMGHAN_F (Length: 95 km) , Distance to epicenter: 6 km | |
| ATARI_F (Length: 185 km) , Distance to epicenter: 6 km | |
| ASTANEH_F (Length: 72 km) , Distance to epicenter: 15 km | |
| Number of Phases | 14 |
| RMS | 0.5 |
| Number of Stations | 14 |
| Error in Latitude | >1.8 km |
| Error in Longitude | 1.8 km |
| Error in Depth | 14.4 km |
Download waveform in seisan format
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Amplitude | ||||||||
| UID | Agency | Station | Component | Amplitude | Period | Arrival Time | Proccessing Time | Signal Clip |
| 202282 | IIEES SC | SFB | Z | 6 | 1 | 2026-07-31 09:09:35 | 2026-08-08 08:20:00 | n |
| 202283 | IIEES SC | BJRD | Z | 0.5 | 1 | 2026-07-31 09:09:45 | 2026-08-08 08:20:00 | n |
| 202284 | IIEES SC | NASN | Z | 2 | 1 | 2026-07-31 09:09:52 | 2026-08-08 08:20:00 | n |
| 202285 | IIEES SC | KRVR | Z | 1 | 1 | 2026-07-31 09:10:13 | 2026-08-08 08:20:00 | n |
Phase | ||||||||||||
| Agency | Station | Component | Phase Type | Phase Quality | First Motion | Observed Arrival Time | Time Residual | Loc. Flag | Input Weight | Distance | Azimuth | |
| IIEES SC | SHRO | Z | EPg | E | 2026-07-31 09:09:21 | -1.4 | y | 0 | 167 | 96 | ||
| IIEES SC | SFB | Z | EPn | E | 2026-07-31 09:09:35 | -1.3 | y | 0 | 266 | 221 | ||
| IIEES SC | BJRD | Z | EPn | E | 2026-07-31 09:09:45 | 0 | y | 0 | 336 | 59 | ||
| IIEES SC | NASN | Z | EPn | E | 2026-07-31 09:09:52 | -0.2 | y | 0 | 393 | 199 | ||
| IIEES SC | YZKH | Z | EPn | E | 2026-07-31 09:09:28 | -27.8 | n | 4 | 420 | 175 | ||
| IIEES SC | BRJ | Z | EPn | E | 2026-07-31 09:10:11 | 0.6 | y | 0 | 543 | 210 | ||
| IIEES SC | KRVR | Z | EPn | E | 2026-07-31 09:10:13 | 0.8 | y | 0 | 558 | 154 | ||
| IIEES SC | HNVD | Z | EPn | E | 2026-07-31 09:10:14 | -0.2 | y | 0 | 575 | 249 | ||
| IIEES SC | DOB | Z | EPn | E | 2026-07-31 09:10:18 | -0.5 | y | 0 | 607 | 244 | ||
| IIEES SC | KOO | Z | EPn | E | 2026-07-31 09:10:37 | 18.5 | n | 4 | 608 | 133 | ||
| IIEES SC | KRBR | Z | EPn | E | 2026-07-31 09:10:34 | 0.3 | y | 0 | 726 | 161 | ||
| IIEES SC | GHIR | Z | EPn | E | 2026-07-31 09:10:53 | 0.2 | y | 0 | 880 | 187 | ||
| IIEES SC | GNI | Z | EPn | E | 2026-07-31 09:11:00 | 0.3 | y | 0 | 938 | 298 | ||
| IIEES SC | GENO | Z | EPn | E | 2026-07-31 09:11:06 | 0.3 | y | 0 | 990 | 169 | ||