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Map Title

Magnitude
 :3.5
Date & Time (UTC) 2025-09-21 10:51:54.8
Date & Time (Local) 1404/6/30  14:21:54.8
Location Lat:35.337 Lon: 53.004
Region Semnan Province, 44 km South-West of Semnan
Nearest Cities
11 km of Lasjerd, Semnan Province
23 km South West of Sorkheh, Semnan Province
31 km South West of Aftar, Semnan Province
42 km North East of Kohanabad, Semnan Province
44 km South West of Semnan, Semnan Province
Depth 12 km
Agency
Faults within 150 km:
KUH_E_GACHAB_F2 (Length: 31 km) , Distance to epicenter: 14 km 
KUH_E_GACHAB_F1 (Length: 53 km) , Distance to epicenter: 19 km 
ATARI_F (Length: 185 km) , Distance to epicenter: 39 km 
Number of Phases 12
RMS 0.5
Number of Stations 12
Error in Latitude >1.6 km
Error in Longitude 1.6 km
Error in Depth 8.2 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
199245IIEES SCCHTHZ 0.812025-09-21 10:52:252025-09-22 06:59:00n
199246IIEES SCCHTHZ 0.812025-09-21 10:52:452025-09-22 06:59:00n
199247IIEES SCABGHZ 0.912025-09-21 10:52:302025-09-22 06:59:00n
199248IIEES SCASAOZ 0.212025-09-21 10:52:382025-09-22 06:59:00n
199249IIEES SCBSRNZ 0.0312025-09-21 10:53:272025-09-22 06:59:00n
199250IIEES SCSHRTZ 0.0312025-09-21 10:53:292025-09-22 06:59:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCDAMVZ EPg E2025-09-21 10:52:07-4n499289
IIEES SCCHTHZ EPg E2025-09-21 10:52:250.9y0182290
IIEES SCCHTHZ ESg E2025-09-21 10:52:45-0.9y0182290
IIEES SCABGHZ EPn E2025-09-21 10:52:300.1y022446
IIEES SCSHROZ EPn E2025-09-21 10:52:29-8.7n428275
IIEES SCASAOZ EPn E2025-09-21 10:52:380.1y0286252
IIEES SCYZKHZ EPn E2025-09-21 10:52:17-30.2n4358156
IIEES SCTABSZ EPn E2025-09-21 10:52:54-0.3y0422116
IIEES SCBJRDZ EPn E2025-09-21 10:53:020.4y047456
IIEES SCKAGHZ EPn E2025-09-21 10:53:23-0.4y065174
IIEES SCBSRNZ EPn E2025-09-21 10:53:27-0.2y0680123
IIEES SCSHRTZ EPn E2025-09-21 10:53:29-0.1y0695106