Early-est:     Hindu Kush Region, Afghanistan    2026.10.01-01:29:23.80    q:B      mb:5.1*    Mwp:4.9    Mwpd:-    Td*T50Ex:0.9     fmamp_polarity:./hypo.1790818164851.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1790818164851.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1790818164851.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 5.1* [56]    Mwp: 4.9 [6]    Mwpd: 5.3Xinv [4]
Region: Hindu Kush Region, Afghanistan
Origin Time: 2026.10.01-01:29:23.80 UTC
Hypocenter: lat: 36.18°  lon: 69.06°  [+/-23km]    depth: 68km  [+/-49km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 97   usedPhases: 68
minDist: 1.7°   maxDist: 149.5°   AzGap: 26°   2ndAzGap: 47°   atten: -1.36 [+/-0.30]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 22km   maxHorUnc: 23km   azMaxHorUnc: 106°
68%ConfEllipsoid:   semiMajorAxisLength: 50km   majorAxisAzimuth: 72°   majorAxisPlunge: 78°   semiIntermediateAxisLength: 28km   intermediateAxisAzimuth: 305°   intermediateAxisPlunge: 7°   semiMinorAxisLength: 26km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [45]    Td: 1.6s [8]    Td*T50Ex: 0.9 [8]    To: 19.7s [44]
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:
     31.5
     31.5
     31.5
Mwp magnitude:
       4.9
       4.9
       4.9
Hypocenter depth:
       68km
       68km
       68km
Slab depth at epicenter:
       n/a
       -
       -
Tsunami and Rupture predictions (TEST!): No prediction: Event too small (Mwp<7.0) or too few Mwp readings (N<20)
./hypo.1790818164851.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 133°   dip: 34°   rake: -170°
Nodal Plane 2: strike: 35°   dip: 85°   rake: -57°
Quality: azimuthalGap: -1°   stationPolarityCount: 60   misfitWeightCount: 20.7   misfit: 0.18   stationDistributionRatio: 0.61   meanDistP: 18.6   meanDistT: 18.5   qualityCode: B
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1790818164851.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (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/_polarity_waveform
./hypo.1790818164851.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 90°   dip: 49°   rake: 128°
Nodal Plane 2: strike: 220°   dip: 54°   rake: 55°
Quality: azimuthalGap: 38°   stationPolarityCount: 60   misfit: 0.32   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 19.28   fracAcc30degPref: 0.88   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1790818164851.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1790818164851
Event info last updated: 2026.10.01-02:28:00 UTC
Event first association/location: 2026.10.01-01:34:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA