Early-est:     Xizang    2025.12.11-11:59:25.34    q:A      mb:5.0    Mwp:5.3    Mwpd:-    Td*T50Ex:0.9     fmamp_polarity:./hypo.1765454364888.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1765454364888.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1765454364888.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1765454364888.mech.fmamp_amp_mwp.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 5.0 [63]    Mwp: 5.3 [4]    Mwpd: 5.4Xinv [2]
Region: Xizang
Origin Time: 2025.12.11-11:59:25.34 UTC
Hypocenter: lat: 33.02°  lon: 88.77°  [+/-6km]    depth: 12km  [+/-8km]
Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 101   usedPhases: 72
minDist: 3.9°   maxDist: 164.8°   AzGap: 48°   2ndAzGap: 81°   atten: -1.13 [+/-0.16]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 5km   maxHorUnc: 6km   azMaxHorUnc: 36°
68%ConfEllipsoid:   semiMajorAxisLength: 8km   majorAxisAzimuth: 354°   majorAxisPlunge: 70°   semiIntermediateAxisLength: 7km   intermediateAxisAzimuth: 223°   intermediateAxisPlunge: 13°   semiMinorAxisLength: 6km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [29]    Td: 2.4s [10]    Td*T50Ex: 0.9 [10]    To: 2.2s [17]
Closest plate boundaries:
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   0.9
   0.9
   0.9
Td*To:
     5.3
     5.3
     5.3
Mwp magnitude:
       5.3
       5.3
       5.3
Hypocenter depth:
       12km
       12km
       12km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1765454364888.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 25°   dip: 68°   rake: 172°
Nodal Plane 2: strike: 117°   dip: 83°   rake: 22°
Quality: azimuthalGap: -1°   stationPolarityCount: 71   misfitWeightCount: 13.8   misfit: 0.24   stationDistributionRatio: 0.40   meanDistP: 33.6   meanDistT: 45.2   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1765454364888.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 8°   dip: 88°   rake: -153°
Nodal Plane 2: strike: 277°   dip: 63°   rake: -2°
Quality: azimuthalGap: 81°   stationPolarityCount: 71   misfit: 0.35   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 24.39   fracAcc30degPref: 0.86   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1765454364888.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref
./hypo.1765454364888.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
Quality: azimuthalGap: -1°   stationPolarityCount: 0   misfitWeightCount: -1.0   misfit: -1.00   stationDistributionRatio: -1.00   meanDistP: -1.0   meanDistT: -1.0   qualityCode: X
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp
./hypo.1765454364888.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1765454364888
Event info last updated: 2025.12.11-12:59:32 UTC
Event first association/location: 2025.12.11-12:04:23 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI