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Event Specification

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Map Title

Magnitude
 3.4
Date & Time (UTC) 2026-08-24 09:32:13.8
Date & Time (Local) 1405/6/2  13:02:13.8
Location Lat:35.983 Lon: 53.297
Region Semnan Province, 26 km South-East of Pol-E-Sefid
Nearest Cities
11 km North of Chashem, Semnan Province
11 km of Sangdeh, Mazandaran Province
25 km North of Shahmirzad, Semnan Province
25 km South East of Shurmast-e peyrudbar, Mazandaran Province
26 km South East of Pol-E-Sefid, Mazandaran Province
Depth 12 km
Agency
Faults within 150 km:
N_ALBORZ_F (Length: 360 km) , Distance to epicenter: 27 km 
ATARI_F (Length: 185 km) , Distance to epicenter: 31 km 
DAMGHAN_F (Length: 95 km) , Distance to epicenter: 52 km 
Number of Phases 8
RMS 0.4
Number of Stations 8
Error in Latitude >2.1 km
Error in Longitude 2.1 km
Error in Depth 15.7 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
202446IIEES SCSFBZ 0.812026-08-24 09:32:462026-08-25 06:32:00n
202447IIEES SCNASNZ 0.112026-08-24 09:33:062026-08-25 06:32:00n
202448IIEES SCKRVRZ 0.0412026-08-24 09:33:342026-08-25 06:32:00n
202449IIEES SCSHRTZ 0.0212026-08-24 09:33:472026-08-25 06:32:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCSFBZ EPn E2026-08-24 09:32:46-0.8y0205208
IIEES SCGHVRZ EPn E2026-08-24 09:32:530.6y0250228
IIEES SCGIDEZ EPn E2026-08-24 09:33:02-0.1y0328289
IIEES SCNASNZ EPn E2026-08-24 09:33:060.6y0356187
IIEES SCBJRDZ EPn E2026-08-24 09:33:130.1y041463
IIEES SCTABSZ EPn E2026-08-24 09:32:41-34.4n4435127
IIEES SCKRVRZ EPn E2026-08-24 09:33:340.2y0583146
IIEES SCSHRTZ EPn E2026-08-24 09:33:47-0.6y0690112