Early-est:     Aegean Sea    2025.12.13-03:06:37.57    q:A      mb:3.9    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 3.9 [4]    Mwp: - [0]    Mwpd: - [0] Region: Aegean Sea Origin Time: 2025.12.13-03:06:37.57 UTC Hypocenter: lat: 39.95°  lon: 23.70°  [+/-2km]    depth: 10km  [+/-2km] Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 18   usedPhases: 15 minDist: 0.4°   maxDist: 6.3°   AzGap: 50°   2ndAzGap: 77°   atten: -2.19 [+/-0.36] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 2km   azMaxHorUnc: 98° 68%ConfEllipsoid:   semiMajorAxisLength: 3km   majorAxisAzimuth: 275°   majorAxisPlunge: 12°   semiIntermediateAxisLength: 2km   intermediateAxisAzimuth: 183°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 2km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 93% T50Ex: 0.6X [2]    Td: 1.7Xs [1]    Td*T50Ex: - [0]    To: -s [0] Closest plate boundaries:    Aegean Sea - Eurasia [continental transform fault]: distance: ~30km    Aegean Sea - Anatolia [continental transform fault]: distance: ~150km    Anatolia - Eurasia [continental transform fault]: distance: ~150km    Eurasia / Africa [subduction zone]: distance: ~380km    Aegean Sea / Africa [subduction zone]: distance: ~380km 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 (30km) Prob underwater:  93%  93%  93% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        10km        10km        10km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 51°   dip: 45°   rake: -158° Nodal Plane 2: strike: 306°   dip: 75°   rake: -47° Quality: azimuthalGap: -1°   stationPolarityCount: 15   misfitWeightCount: 7.5   misfit: 0.11   stationDistributionRatio: 0.50   meanDistP: 49.1   meanDistT: 29.7   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 55°   dip: 55°   rake: -163° Nodal Plane 2: strike: 315°   dip: 76°   rake: -37° Quality: azimuthalGap: 77°   stationPolarityCount: 15   misfit: 0.28   stationDistributionRatio: 0.71   rmsAngDiffAccPref: 42.10   fracAcc30degPref: 0.46   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
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
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

Event ID: smi:KOERI/ee/event/1765595197138
Event info last updated: 2025.12.13-04:06:45 UTC
Event first association/location: 2025.12.13-03:07:30 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI