Early-est:     Greece    2026.08.09-23:57:01.75    q:B      mb:4.4*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1786319822980.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1786319822980.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1786319822980.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: 4.4* [12]    Mwp: - [0]    Mwpd: - [0]
Region: Greece
Origin Time: 2026.08.09-23:57:01.75 UTC
Hypocenter: lat: 38.22°  lon: 22.75°  [+/-4km]    depth: 12km  [+/-29km]
Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 19   usedPhases: 17
minDist: 1.9°   maxDist: 137.5°   AzGap: 136°   2ndAzGap: 150°   atten: -1.12 [+/-0.43]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 4km   azMaxHorUnc: 69°
68%ConfEllipsoid:   semiMajorAxisLength: 29km   majorAxisAzimuth: 64°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 5km   intermediateAxisAzimuth: 251°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [13]    Td: -s [0]    Td*T50Ex: - [0]    To: 32.8s [12]
Closest plate boundaries:
   Aegean Sea - Eurasia [continental transform fault]: distance: ~10km
   Aegean Sea / Africa [subduction zone]: distance: ~210km
   Eurasia / Africa [subduction zone]: distance: ~220km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (210km)
 no
 YES (10km)
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       12km
       12km
       12km
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.1786319822980.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 60°   dip: 20°   rake: -174°
Nodal Plane 2: strike: 324°   dip: 88°   rake: -70°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 2.3   misfit: 0.00   stationDistributionRatio: 0.28   meanDistP: 50.1   meanDistT: 50.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1786319822980.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.1786319822980.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 336°   dip: 4°   rake: 90°
Nodal Plane 2: strike: 156°   dip: 86°   rake: 90°
Quality: azimuthalGap: 138°   stationPolarityCount: 9   misfit: 0.19   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 39.58   fracAcc30degPref: 0.54   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1786319822980.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1786319822980
Event info last updated: 2026.08.10-00:56:00 UTC
Event first association/location: 2026.08.09-23:59:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA