Early-est:     Turkey    2026.10.04-11:36:29.14    q:A      mb:4.7    Mwp:4.8    Mwpd:-    Td*T50Ex:0.8     fmamp_polarity:./hypo.1791113789143.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1791113789143.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1791113789143.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1791113789143.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: 4.7 [23]    Mwp: 4.8 [8]    Mwpd: - [0]
Region: Turkey
Origin Time: 2026.10.04-11:36:29.14 UTC
Hypocenter: lat: 37.68°  lon: 36.40°  [+/-2km]    depth: 40km  [+/-2km]
Location Quality: qualityCode:  A     stdErr: 1.7s   assocPhases: 63   usedPhases: 37
minDist: 0.8°   maxDist: 150.3°   AzGap: 39°   2ndAzGap: 60°   atten: -1.83 [+/-0.20]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 2km   azMaxHorUnc: 25°
68%ConfEllipsoid:   semiMajorAxisLength: 3km   majorAxisAzimuth: 211°   majorAxisPlunge: 51°   semiIntermediateAxisLength: 2km   intermediateAxisAzimuth: 316°   intermediateAxisPlunge: 12°   semiMinorAxisLength: 2km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [26]    Td: 1.7s [7]    Td*T50Ex: 0.8 [7]    To: 7.5s [8]
Closest plate boundaries:
   Anatolia - Arabia [continental transform fault]: distance: ~50km
   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
 YES (50km)
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   0.8
   0.8
   0.8
Td*To:
     12.8
     12.8
     12.8
Mwp magnitude:
       4.8
       4.8
       4.8
Hypocenter depth:
       40km
       40km
       40km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1791113789143.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 169°   dip: 15°   rake: -149°
Nodal Plane 2: strike: 48°   dip: 82°   rake: -77°
Quality: azimuthalGap: -1°   stationPolarityCount: 52   misfitWeightCount: 26.5   misfit: 0.17   stationDistributionRatio: 0.47   meanDistP: 20.4   meanDistT: 23.5   qualityCode: B
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791113789143.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 168°   dip: 21°   rake: -150°
Nodal Plane 2: strike: 50°   dip: 80°   rake: -71°
Quality: azimuthalGap: 32°   stationPolarityCount: 52   misfit: 0.33   stationDistributionRatio: 0.34   rmsAngDiffAccPref: 29.25   fracAcc30degPref: 0.54   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791113789143.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
./hypo.1791113789143.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 178°   dip: 47°   rake: -121°
Nodal Plane 2: strike: 40°   dip: 51°   rake: -61°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 6.4   misfit: 9999.90   stationDistributionRatio: 0.50   meanDistP: 33.2   meanDistT: 38.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp
./hypo.1791113789143.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791113789143
Event info last updated: 2026.10.04-12:36:51 UTC
Event first association/location: 2026.10.04-12:13:11 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI