Early-est:     Aegean Sea    2025.08.04-19:52:27.52    q:C      mb:4.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754337145520.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754337145520.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754337145520.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: 4.3* [5]    Mwp: - [0]    Mwpd: - [0]
Region: Aegean Sea
Origin Time: 2025.08.04-19:52:27.52 UTC
Hypocenter: lat: 40.30°  lon: 24.37°  [+/-20km]    depth: 15km  [+/-34km]
Location Quality: qualityCode:  C     stdErr: 1.6s   assocPhases: 11   usedPhases: 9
minDist: 1.4°   maxDist: 155.5°   AzGap: 130°   2ndAzGap: 228°   atten: -1.73 [+/-0.61]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 17km   maxHorUnc: 20km   azMaxHorUnc: 38°
68%ConfEllipsoid:   semiMajorAxisLength: 35km   majorAxisAzimuth: 254°   majorAxisPlunge: 72°   semiIntermediateAxisLength: 24km   intermediateAxisAzimuth: 23°   intermediateAxisPlunge: 12°   semiMinorAxisLength: 21km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 88%
T50Ex: 0.6 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 16.1s [4]
Closest plate boundaries:
   Aegean Sea - Eurasia [continental rift boundary]: distance: ~30km
   Aegean Sea - Anatolia [continental transform fault]: distance: ~90km
   Anatolia - Eurasia [continental transform fault]: distance: ~90km
   Eurasia / Africa [subduction zone]: distance: ~450km
   Aegean Sea / Africa [subduction zone]: distance: ~450km
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:
 88%
 88%
 88%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       15km
       15km
       15km
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.1754337145520.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (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
./hypo.1754337145520.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.1754337145520.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 0°   stationPolarityCount: 6   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: F
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754337145520.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754337145520
Event info last updated: 2025.08.04-20:51:03 UTC
Event first association/location: 2025.08.04-19:55:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA