Early-est:     Hindu Kush Region, Afghanistan    2026.06.27-13:34:51.41    q:A      mb:5.3    Mwp:6.1*    Mwpd:-    Td*T50Ex:1.6     fmamp_polarity:./hypo.1782567295712.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782567295712.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782567295712.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: 5.3 [139]    Mwp: 6.1* [91]    Mwpd: 6.2Xinv [98]
Region: Hindu Kush Region, Afghanistan
Origin Time: 2026.06.27-13:34:51.41 UTC
Hypocenter: lat: 36.39°  lon: 70.74°  [+/-18km]    depth: 168km  [+/-19km]
Location Quality: qualityCode:  A     stdErr: 1.2s   assocPhases: 319   usedPhases: 176
minDist: 4.4°   maxDist: 150.8°   AzGap: 20°   2ndAzGap: 31°   atten: -1.67 [+/-0.23]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 18km   azMaxHorUnc: 140°
68%ConfEllipsoid:   semiMajorAxisLength: 23km   majorAxisAzimuth: 344°   majorAxisPlunge: 36°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 95°   intermediateAxisPlunge: 26°   semiMinorAxisLength: 15km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.7 [131]    Td: 2.2s [40]    Td*T50Ex: 1.6 [40]    To: 5.2s [128]
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:
   1.6
   1.6
   1.6
Td*To:
     11.4
     11.4
     11.4
Mwp magnitude:
       6.1*
       6.1*
       6.1*
Hypocenter depth:
       168km
       168km
       168km
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.1782567295712.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 293°   dip: 27°   rake: 68°
Nodal Plane 2: strike: 137°   dip: 65°   rake: 101°
Quality: azimuthalGap: -1°   stationPolarityCount: 146   misfitWeightCount: 32.9   misfit: 0.09   stationDistributionRatio: 0.63   meanDistP: 15.0   meanDistT: 13.8   qualityCode: A
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782567295712.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 293°   dip: 40°   rake: 78°
Nodal Plane 2: strike: 128°   dip: 51°   rake: 100°
Quality: azimuthalGap: -1°   stationPolarityCount: 42   misfitWeightCount: 6.7   misfit: 0.00   stationDistributionRatio: 0.63   meanDistP: 39.1   meanDistT: 35.7   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
./hypo.1782567295712.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 311°   dip: 28°   rake: 98°
Nodal Plane 2: strike: 122°   dip: 62°   rake: 86°
Quality: azimuthalGap: 21°   stationPolarityCount: 146   misfit: 0.09   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 24.96   fracAcc30degPref: 0.86   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782567295712.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782567295712
Event info last updated: 2026.06.27-14:33:05 UTC
Event first association/location: 2026.06.27-13:40:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA