Early-est:     Crete, Greece    2026.10.09-04:46:51.40    q:A      mb:4.4    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1791521209896.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1791521209896.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1791521209896.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1791521209896.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: 4.4 [15]    Mwp: 4.3X [1]    Mwpd: - [0]
Region: Crete, Greece
Origin Time: 2026.10.09-04:46:51.40 UTC
Hypocenter: lat: 34.93°  lon: 23.22°  [+/-2km]    depth: 51km  [+/-3km]
Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 41   usedPhases: 34
minDist: 0.8°   maxDist: 134.4°   AzGap: 96°   2ndAzGap: 119°   atten: -2.08 [+/-0.23]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 2km   azMaxHorUnc: 26°
68%ConfEllipsoid:   semiMajorAxisLength: 4km   majorAxisAzimuth: 22°   majorAxisPlunge: 50°   semiIntermediateAxisLength: 2km   intermediateAxisAzimuth: 241°   intermediateAxisPlunge: 33°   semiMinorAxisLength: 2km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.7 [13]    Td: 0.4Xs [1]    Td*T50Ex: - [0]    To: 4.4Xs [1]
Closest plate boundaries:
   Aegean Sea / Africa [subduction zone]: distance: ~20km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (20km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       51km
       51km
       51km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1791521209896.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 82°   dip: 17°   rake: -108°
Nodal Plane 2: strike: 280°   dip: 74°   rake: -85°
Quality: azimuthalGap: -1°   stationPolarityCount: 31   misfitWeightCount: 11.9   misfit: 0.10   stationDistributionRatio: 0.55   meanDistP: 24.6   meanDistT: 35.7   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1791521209896.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 201°   dip: 24°   rake: -90°
Nodal Plane 2: strike: 21°   dip: 66°   rake: -90°
Quality: azimuthalGap: 45°   stationPolarityCount: 31   misfit: 0.14   stationDistributionRatio: 0.31   rmsAngDiffAccPref: 18.24   fracAcc30degPref: 0.96   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1791521209896.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.1791521209896.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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_mwp
./hypo.1791521209896.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1791521209896
Event info last updated: 2026.10.09-05:47:03 UTC
Event first association/location: 2026.10.09-04:52:03 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI