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Systems
Event Specification

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Map Title

Magnitude
 3.5
Date & Time (UTC) 2025-12-27 06:22:04.5
Date & Time (Local) 1404/10/6  09:52:04.5
Location Lat:35.585 Lon: 52.423
Region Tehran Province, 42 km North of Garmsar
Nearest Cities
12 km East of Sarbandan, Tehran Province
17 km North West of Atashan, Tehran Province
24 km North East of Kilan, Tehran Province
25 km East of Mara, Tehran Province
26 km South West of Arjomand, Tehran Province
Depth 12 km
Agency
Faults within 150 km:
MOSHA_F (Length: 234 km) , Distance to epicenter: 13 km 
GARMSAR_F (Length: 77 km) , Distance to epicenter: 33 km 
EYVANEKEY_F (Length: 74 km) , Distance to epicenter: 35 km 
Number of Phases 8
RMS 0.3
Number of Stations 8
Error in Latitude >3.1 km
Error in Longitude 3.1 km
Error in Depth 18.5 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
200742IIEES SCYZKHZ 0.112025-12-27 06:23:032025-12-27 08:07:00n
200743IIEES SCTABSZ 0.0812025-12-27 06:23:112025-12-27 08:07:00n
200744IIEES SCGRMIZ 0.0412025-12-27 06:23:192025-12-27 08:07:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCGHVRZ EPg E2025-12-27 06:22:310y0163221
IIEES SCABGHZ EPn E2025-12-27 06:22:440.7y024959
IIEES SCNASNZ EPn E2025-12-27 06:22:575.7n4311173
IIEES SCSHROZ EPn E2025-12-27 06:22:53-0.1y032882
IIEES SCYZKHZ EPn E2025-12-27 06:23:030.4y0407151
IIEES SCTABSZ EPn E2025-12-27 06:23:11-0.5y0481117
IIEES SCBJRDZ EPn E2025-12-27 06:23:14-0.4y050462
IIEES SCGRMIZ EPn E2025-12-27 06:23:19-0.1y0538312