Early-est:     Afghanistan - Tajikistan Bord Reg.    2026.10.04-20:27:23.25    q:A      mb:4.8    Mwp:5.1    Mwpd:-    Td*T50Ex:0.3     fmamp_polarity:./hypo.1791145644142.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1791145644142.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1791145644142.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1791145644142.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: 4.8 [86]    Mwp: 5.1 [6]    Mwpd: - [0]
Region: Afghanistan - Tajikistan Bord Reg.
Origin Time: 2026.10.04-20:27:23.25 UTC
Hypocenter: lat: 36.57°  lon: 71.08°  [+/-9km]    depth: 210km  [+/-12km]
Location Quality: qualityCode:  A     stdErr: 1.0s   assocPhases: 131   usedPhases: 113
minDist: 4.4°   maxDist: 151.0°   AzGap: 34°   2ndAzGap: 47°   atten: -1.77 [+/-0.17]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 8km   maxHorUnc: 9km   azMaxHorUnc: 166°
68%ConfEllipsoid:   semiMajorAxisLength: 14km   majorAxisAzimuth: 359°   majorAxisPlunge: 46°   semiIntermediateAxisLength: 10km   intermediateAxisAzimuth: 111°   intermediateAxisPlunge: 19°   semiMinorAxisLength: 8km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [55]    Td: 0.8s [18]    Td*T50Ex: 0.3 [18]    To: 2.0s [40]
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:
   0.3
   0.3
   0.3
Td*To:
     1.6
     1.6
     1.6
Mwp magnitude:
       5.1
       5.1
       5.1
Hypocenter depth:
       210km
       210km
       210km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1791145644142.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 318°   dip: 65°   rake: 166°
Nodal Plane 2: strike: 54°   dip: 77°   rake: 26°
Quality: azimuthalGap: -1°   stationPolarityCount: 103   misfitWeightCount: 30.5   misfit: 0.17   stationDistributionRatio: 0.52   meanDistP: 27.8   meanDistT: 18.2   qualityCode: B
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791145644142.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 311°   dip: 69°   rake: 148°
Nodal Plane 2: strike: 54°   dip: 60°   rake: 24°
Quality: azimuthalGap: 34°   stationPolarityCount: 103   misfit: 0.41   stationDistributionRatio: 0.61   rmsAngDiffAccPref: 41.71   fracAcc30degPref: 0.44   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791145644142.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.1791145644142.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.1791145644142.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791145644142
Event info last updated: 2026.10.04-21:27:38 UTC
Event first association/location: 2026.10.04-20:31:12 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI