Event Specification

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Map Title

Magnitude
3.7
Date & Time (UTC) 2025-08-07 00:23:42.8
Date & Time (Local) 1404/5/16  03:53:42.8
Location Lat:36.684 Lon: 54.82
Region Golestan Province, 25 km South of Ali Abad
Nearest Cities
25 km South of Ali Abad, Golestan Province
26 km North West of Qaleh-ye nokharqan, Semnan Province
28 km North East of Majen, Semnan Province
28 km North West of Bastam, Semnan Province
30 km South East of Jalin olia, Golestan Province
Depth 12 km
Agency
Faults within 150 km:
SHAVAR_F (Length: 87 km) , Distance to epicenter: 14 km 
ASTANEH_F (Length: 72 km) , Distance to epicenter: 29 km 
KHAZAR_F (Length: 523 km) , Distance to epicenter: 34 km 
Number of Phases 13
RMS 0.5
Number of Stations 13
Error in Latitude >3.8 km
Error in Longitude 3.8 km
Error in Depth 2.8 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
198788IIEES SCTABSZ 0.112025-08-07 00:24:402025-08-09 05:32:00n
198789IIEES SCGHVRZ 0.312025-08-07 00:24:412025-08-09 05:32:00n
198790IIEES SCNASNZ 0.112025-08-07 00:24:492025-08-09 05:32:00n
198791IIEES SCSRSLZ 0.0112025-08-07 00:25:362025-08-09 05:32:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCABGHZ EPg E2025-08-07 00:23:45-0.1y06342
IIEES SCSHROZ EPg E2025-08-07 00:23:37-26.9n4131125
IIEES SCBJRDZ EPn E2025-08-07 00:24:22-0.6y025664
IIEES SCDAMVZ EPn E2025-08-07 00:23:50-35.4n4282245
IIEES SCTABSZ EPn E2025-08-07 00:24:400.6y0396148
IIEES SCGHVRZ EPn E2025-08-07 00:24:41-0.2y0406233
IIEES SCKAGHZ EPn E2025-08-07 00:24:480.9y045986
IIEES SCNASNZ EPn E2025-08-07 00:24:490y0469203
IIEES SCYZKHZ EPn E2025-08-07 00:24:21-29.2n4477183
IIEES SCSHRTZ EPn E2025-08-07 00:25:05-0.4y0602124
IIEES SCBSRNZ EPn E2025-08-07 00:24:57-14.8n4656143
IIEES SCSRSLZ EPn E2025-08-07 00:25:360.8y0843266
IIEES SCGHIRZ EPn E2025-08-07 00:25:48-0.3y0947190