Early-est:     Aegean Sea    2026.03.25-19:08:25.71    q:A      mb:4.9*    Mwp:-    Mwpd:-    Td*T50Ex:0.7     fmamp_polarity:./hypo.1774465705558.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1774465705558.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1774465705558.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: 4.9* [37]    Mwp: 5.0X [2]    Mwpd: 5.1Xinv [1]
Region: Aegean Sea
Origin Time: 2026.03.25-19:08:25.71 UTC
Hypocenter: lat: 40.35°  lon: 24.16°  [+/-4km]    depth: 9km  [+/-5km]
Location Quality: qualityCode:  A     stdErr: 1.6s   assocPhases: 75   usedPhases: 50
minDist: 1.3°   maxDist: 143.8°   AzGap: 49°   2ndAzGap: 66°   atten: -1.63 [+/-0.22]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 4km   azMaxHorUnc: 163°
68%ConfEllipsoid:   semiMajorAxisLength: 6km   majorAxisAzimuth: 172°   majorAxisPlunge: 56°   semiIntermediateAxisLength: 4km   intermediateAxisAzimuth: 292°   intermediateAxisPlunge: 19°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 64%
T50Ex: 0.7 [36]    Td: 1.0s [6]    Td*T50Ex: 0.7 [6]    To: 49.3s [34]
Closest plate boundaries:
   Aegean Sea - Eurasia [continental rift boundary]: distance: ~50km
   Aegean Sea - Anatolia [continental transform fault]: distance: ~110km
   Anatolia - Eurasia [continental transform fault]: distance: ~110km
   Eurasia / Africa [subduction zone]: distance: ~440km
   Aegean Sea / Africa [subduction zone]: distance: ~440km
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:
 64%
 64%
 64%
Td*T50Ex:
   0.7
   0.7
   0.7
Td*To:
     49.3
     49.3
     49.3
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       9km
       9km
       9km
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.1774465705558.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 299°   dip: 8°   rake: -63°
Nodal Plane 2: strike: 92°   dip: 83°   rake: -93°
Quality: azimuthalGap: -1°   stationPolarityCount: 42   misfitWeightCount: 13.0   misfit: 0.16   stationDistributionRatio: 0.44   meanDistP: 32.8   meanDistT: 36.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1774465705558.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.1774465705558.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 300°   dip: 12°   rake: -57°
Nodal Plane 2: strike: 87°   dip: 80°   rake: -97°
Quality: azimuthalGap: 48°   stationPolarityCount: 40   misfit: 0.34   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 28.10   fracAcc30degPref: 0.71   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1774465705558.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1774465705558
Event info last updated: 2026.03.25-20:07:01 UTC
Event first association/location: 2026.03.25-19:10:05 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA