Event Specification

Magnitude |
4.1 |
Date & Time (UTC) | 2025-08-04 21:09:46.7 |
Date & Time (Local) | 1404/5/14 00:39:46.7 |
Location | Lat:36.736 Lon: 54.801 |
Region | Golestan Province, 20 km South of Ali Abad |
Nearest Cities |
|
20 km South of Ali Abad, Golestan Province | |
26 km South East of Jalin olia, Golestan Province | |
29 km North West of Qaleh-ye nokharqan, Semnan Province | |
32 km North East of Majen, Semnan Province | |
33 km South East of Nodeh malek, Golestan Province | |
Depth | 12 km |
Agency | |
Faults within 150 km: |
|
SHAVAR_F (Length: 87 km) , Distance to epicenter: 20 km | |
KHAZAR_F (Length: 523 km) , Distance to epicenter: 29 km | |
ASTANEH_F (Length: 72 km) , Distance to epicenter: 33 km | |
Number of Phases | 12 |
RMS | 0.4 |
Number of Stations | 12 |
Error in Latitude | >2.8 km |
Error in Longitude | 2.8 km |
Error in Depth | 1 km |
Download waveform in seisan format
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Amplitude | ||||||||
UID | Agency | Station | Component | Amplitude | Period | Arrival Time | Proccessing Time | Signal Clip |
198766 | IIEES SC | ABGH | Z | 700 | 1 | 2025-08-04 21:09:48 | 2025-08-05 10:01:00 | n |
198767 | IIEES SC | ABGH | Z | 700 | 1 | 2025-08-04 21:09:50 | 2025-08-05 10:01:00 | n |
198768 | IIEES SC | TABS | Z | 0.3 | 1 | 2025-08-04 21:10:44 | 2025-08-05 10:01:00 | n |
198769 | IIEES SC | NASN | Z | 0.3 | 1 | 2025-08-04 21:10:53 | 2025-08-05 10:01:00 | n |
198770 | IIEES SC | SHRT | Z | 0.2 | 1 | 2025-08-04 21:11:09 | 2025-08-05 10:01:00 | n |
Phase | ||||||||||||
Agency | Station | Component | Phase Type | Phase Quality | First Motion | Observed Arrival Time | Time Residual | Loc. Flag | Input Weight | Distance | Azimuth | |
IIEES SC | ABGH | Z | EPg | E | 2025-08-04 21:09:48 | -0.2 | y | 0 | 0 | 219 | ||
IIEES SC | ABGH | Z | ESg | E | 2025-08-04 21:09:50 | -0.2 | y | 0 | 0 | 219 | ||
IIEES SC | TABS | Z | EPn | E | 2025-08-04 21:10:44 | -0.2 | y | 0 | 402 | 148 | ||
IIEES SC | TABS | Z | ES | E | 2025-08-04 21:11:29 | 2.3 | n | 4 | 402 | 148 | ||
IIEES SC | GHVR | Z | EPn | E | 2025-08-04 21:10:45 | 0.7 | y | 0 | 408 | 232 | ||
IIEES SC | GHVR | Z | ES | E | 2025-08-04 21:11:44 | 16.3 | n | 4 | 408 | 232 | ||
IIEES SC | KAGH | Z | EPn | E | 2025-08-04 21:10:52 | 0.8 | y | 0 | 461 | 87 | ||
IIEES SC | NASN | Z | EPn | E | 2025-08-04 21:10:53 | -0.4 | y | 0 | 473 | 203 | ||
IIEES SC | NASN | Z | ES | E | 2025-08-04 21:11:04 | -37.6 | n | 4 | 473 | 203 | ||
IIEES SC | YZKH | Z | EPn | E | 2025-08-04 21:10:51 | -3 | n | 4 | 482 | 182 | ||
IIEES SC | SHRT | Z | EPn | E | 2025-08-04 21:11:09 | -0.3 | y | 0 | 606 | 124 | ||
IIEES SC | BSRN | Z | EPn | E | 2025-08-04 21:11:01 | -15.9 | n | 4 | 662 | 143 |