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Map Title

Magnitude
 :3.2
Date & Time (UTC) 2025-12-11 12:19:34.3
Date & Time (Local) 1404/9/20  15:49:34.3
Location Lat:36.602 Lon: 54.887
Region Semnan Province, 21 km North of Shahrud
Nearest Cities
17 km North West of Bastam, Semnan Province
20 km West of Qaleh-ye nokharqan, Semnan Province
21 km North of Shahrud, Semnan Province
25 km North East of Majen, Semnan Province
30 km North West of Ruyan, Semnan Province
Depth 8 km
Agency
Faults within 150 km:
SHAVAR_F (Length: 87 km) , Distance to epicenter: 4 km 
ASTANEH_F (Length: 72 km) , Distance to epicenter: 28 km 
DAMGHAN_F (Length: 95 km) , Distance to epicenter: 37 km 
Number of Phases 9
RMS 0.4
Number of Stations 9
Error in Latitude >2.8 km
Error in Longitude 2.8 km
Error in Depth 4.2 km

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Amplitude

UIDAgencyStationComponentAmplitudePeriodArrival TimeProccessing TimeSignal Clip
200558IIEES SCTABSZ 0.0312025-12-11 12:20:312025-12-13 06:17:00n
200559IIEES SCNASNZ 0.0312025-12-11 12:20:392025-12-13 06:17:00n
200560IIEES SCYZKHZ 0.112025-12-11 12:20:412025-12-13 06:17:00n
200561IIEES SCSHRTZ 0.0312025-12-11 12:20:562025-12-13 06:17:00n

Phase

AgencyStationComponentPhase TypePhase QualityFirst MotionObserved Arrival TimeTime ResidualLoc. FlagInput WeightDistanceAzimuth
IIEES SCABGHZ EPg E2025-12-11 12:19:370.1y017332
IIEES SCSHROZ EPg E2025-12-11 12:19:54-0.4y0121123
IIEES SCBJRDZ EPn E2025-12-11 12:20:14-0.2y025561
IIEES SCBJRDZ ES E2025-12-11 12:20:43-0.2y025561
IIEES SCTABSZ EPn E2025-12-11 12:20:310.9y0386148
IIEES SCKAGHZ EPn E2025-12-11 12:20:390.4y045485
IIEES SCNASNZ EPn E2025-12-11 12:20:39-0.8y0463204
IIEES SCYZKHZ EPn E2025-12-11 12:20:410.3y0468183
IIEES SCSHRTZ EPn E2025-12-11 12:20:560y0592124