Early-est:     Xizang    2026.10.12-01:30:21.63    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1791768621707.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1791768621707.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1791768621707.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1791768621707.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: - [0]    Mwp: 7.1X [1]    Mwpd: 6.5X [1]
Region: Xizang
Origin Time: 2026.10.12-01:30:21.63 UTC
Hypocenter: lat: 31.23°  lon: 87.42°  [+/-17km]    depth: 754km  [+/-16km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 51   usedPhases: 30
minDist: 3.9°   maxDist: 155.0°   AzGap: 147°   2ndAzGap: 223°   atten: -0.92 [+/-0.40]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 17km   azMaxHorUnc: 127°
68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 127°   majorAxisPlunge: 5°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 34°   intermediateAxisPlunge: 24°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [14]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.1s [10]
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:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       754km
       754km
       754km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1791768621707.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 136°   dip: 32°   rake: 154°
Nodal Plane 2: strike: 248°   dip: 77°   rake: 61°
Quality: azimuthalGap: -1°   stationPolarityCount: 33   misfitWeightCount: 6.0   misfit: 0.14   stationDistributionRatio: 0.39   meanDistP: 35.9   meanDistT: 42.2   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791768621707.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 40°   dip: 40°   rake: -3°
Nodal Plane 2: strike: 132°   dip: 88°   rake: -130°
Quality: azimuthalGap: 136°   stationPolarityCount: 33   misfit: 0.31   stationDistributionRatio: 0.62   rmsAngDiffAccPref: 35.16   fracAcc30degPref: 0.55   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791768621707.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 270°   dip: 90°   rake: 90°
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.1791768621707.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 270°   dip: 90°   rake: 90°
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.1791768621707.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791768621707
Event info last updated: 2026.10.12-02:30:02 UTC
Event first association/location: 2026.10.12-01:39:02 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI