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Map Title

Magnitude
 :3.4
Date & Time (UTC) 2025-09-27 20:49:40.1
Date & Time (Local) 1404/7/6  00:19:40.1
Location Lat:36.639 Lon: 54.975
Region Semnan Province, 24 km North of Shahrud
Nearest Cities
12 km North West of Qaleh-ye nokharqan, Semnan Province
18 km North of Bastam, Semnan Province
24 km North of Shahrud, Semnan Province
30 km West of Kalateh khanj, Semnan Province
31 km South East of Ali Abad, Golestan Province
Depth 12 km
Agency
Faults within 150 km:
SHAVAR_F (Length: 87 km) , Distance to epicenter: 10 km 
ASTANEH_F (Length: 72 km) , Distance to epicenter: 37 km 
KHAZAR_F (Length: 523 km) , Distance to epicenter: 41 km 
Number of Phases 16
RMS 0.8
Number of Stations 16
Error in Latitude >3.2 km
Error in Longitude 3.2 km
Error in Depth 4.7 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
199324IIEES SCABGHZ 5012025-09-27 20:49:432025-09-28 05:01:00n
199325IIEES SCBJRDZ 0.212025-09-27 20:50:192025-09-28 05:01:00n
199326IIEES SCCHTHZ 0.212025-09-27 20:50:332025-09-28 05:01:00n
199327IIEES SCASAOZ 0.0712025-09-27 20:50:502025-09-28 05:01:00n
199328IIEES SCSHRTZ 0.0312025-09-27 20:51:002025-09-28 05:01:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCABGHZ EPg E2025-09-27 20:49:43-0.8y019304
IIEES SCGLOZ EPg E2025-09-27 20:49:56-0.9y0104262
IIEES SCSHROZ EPg E2025-09-27 20:49:58-1.3y0116127
IIEES SCANJZ EPg E2025-09-27 20:50:070.2y0161216
IIEES SCBJRDZ EPn E2025-09-27 20:50:191y024661
IIEES SCDAMVZ EPn E2025-09-27 20:50:11-13.4n4293248
IIEES SCCHTHZ EPn E2025-09-27 20:50:330.8y0355257
IIEES SCKAGHZ EPn E2025-09-27 20:50:452.3n444686
IIEES SCNASNZ EPn E2025-09-27 20:50:460.2y0470205
IIEES SCYZKHZ EPn E2025-09-27 20:50:24-22.3n4473184
IIEES SCASAOZ EPn E2025-09-27 20:50:50-0.1y0505243
IIEES SCMEHZ EPn E2025-09-27 20:51:011y0583183
IIEES SCSHRTZ EPn E2025-09-27 20:51:00-0.1y0587124
IIEES SCBSRNZ EPn E2025-09-27 20:51:4638.4n4644144
IIEES SCGRMIZ EPn E2025-09-27 20:50:56-15.1n4669291
IIEES SCGHIRZ EPn E2025-09-27 20:51:450.3y0945191