Early-est:     Turkey    2026.10.04-11:36:39.22    q:B      mb:4.5*    Mwp:-    Mwpd:-    Td*T50Ex:0.9     fmamp_polarity:./hypo.1791113790493.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1791113790493.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1791113790493.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: 4.5* [16]    Mwp: 5.0X [2]    Mwpd: - [0]
Region: Turkey
Origin Time: 2026.10.04-11:36:39.22 UTC
Hypocenter: lat: 37.57°  lon: 35.83°  [+/-25km]    depth: 124km  [+/-32km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 50   usedPhases: 20
minDist: 3.3°   maxDist: 145.9°   AzGap: 72°   2ndAzGap: 115°   atten: -1.79 [+/-0.36]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 20km   maxHorUnc: 25km   azMaxHorUnc: 30°
68%ConfEllipsoid:   semiMajorAxisLength: 36km   majorAxisAzimuth: 348°   majorAxisPlunge: 55°   semiIntermediateAxisLength: 29km   intermediateAxisAzimuth: 232°   intermediateAxisPlunge: 17°   semiMinorAxisLength: 20km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [10]    Td: 2.1s [6]    Td*T50Ex: 0.9 [6]    To: 10.8s [10]
Closest plate boundaries:
   Anatolia - Arabia [continental transform fault]: distance: ~90km
   Anatolia / Africa [continental transform fault]: distance: ~180km
   Arabia - Africa [continental convergent boundary]: distance: ~180km
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:
     22.7
     22.7
     22.7
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       124km
       124km
       124km
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.1791113790493.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 15°   dip: 40°   rake: -116°
Nodal Plane 2: strike: 228°   dip: 55°   rake: -70°
Quality: azimuthalGap: -1°   stationPolarityCount: 23   misfitWeightCount: 10.6   misfit: 0.19   stationDistributionRatio: 0.50   meanDistP: 52.3   meanDistT: 49.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791113790493.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.1791113790493.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 338°   dip: 79°   rake: -167°
Nodal Plane 2: strike: 245°   dip: 77°   rake: -11°
Quality: azimuthalGap: 111°   stationPolarityCount: 23   misfit: 0.32   stationDistributionRatio: 0.61   rmsAngDiffAccPref: 35.28   fracAcc30degPref: 0.50   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791113790493.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1791113790493
Event info last updated: 2026.10.04-12:35:02 UTC
Event first association/location: 2026.10.04-11:42:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA