Early-est:     Afghanistan - Tajikistan Bord Reg.    2026.02.08-05:20:46.70    q:C      mb:4.4*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770528046643.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770528046643.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770528046643.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: 4.4* [8]    Mwp: - [0]    Mwpd: 6.4Xinv [1]
Region: Afghanistan - Tajikistan Bord Reg.
Origin Time: 2026.02.08-05:20:46.70 UTC
Hypocenter: lat: 36.44°  lon: 71.41°  [+/-15km]    depth: 77km  [+/-13km]
Location Quality: qualityCode:  C     stdErr: 1.3s   assocPhases: 30   usedPhases: 9
minDist: 2.7°   maxDist: 61.0°   AzGap: 108°   2ndAzGap: 193°   atten: -1.66 [+/-0.33]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 15km   azMaxHorUnc: 100°
68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 100°   majorAxisPlunge: 4°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 191°   intermediateAxisPlunge: 8°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [4]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.6s [4]
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:
       77km
       77km
       77km
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.1770528046643.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 164°   dip: 4°   rake: 54°
Nodal Plane 2: strike: 20°   dip: 87°   rake: 92°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 6.1   misfit: 0.00   stationDistributionRatio: 0.44   meanDistP: 47.3   meanDistT: 41.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770528046643.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.1770528046643.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 305°   dip: 25°   rake: -179°
Nodal Plane 2: strike: 213°   dip: 89°   rake: -65°
Quality: azimuthalGap: 110°   stationPolarityCount: 9   misfit: 0.29   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 42.84   fracAcc30degPref: 0.42   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770528046643.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770528046643
Event info last updated: 2026.02.08-06:19:01 UTC
Event first association/location: 2026.02.08-05:28:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA