Early-est:     Greece    2026.03.29-03:02:00.10    q:A      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1774753321340.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1774753321340.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1774753321340.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: 4.6* [16]    Mwp: - [0]    Mwpd: - [0]
Region: Greece
Origin Time: 2026.03.29-03:02:00.10 UTC
Hypocenter: lat: 38.33°  lon: 20.77°  [+/-6km]    depth: 31km  [+/-9km]
Location Quality: qualityCode:  A     stdErr: 0.9s   assocPhases: 28   usedPhases: 26
minDist: 2.2°   maxDist: 74.9°   AzGap: 188°   2ndAzGap: 239°   atten: -1.35 [+/-0.23]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 4km   maxHorUnc: 6km   azMaxHorUnc: 15°
68%ConfEllipsoid:   semiMajorAxisLength: 10km   majorAxisAzimuth: 201°   majorAxisPlunge: 58°   semiIntermediateAxisLength: 6km   intermediateAxisAzimuth: 3°   intermediateAxisPlunge: 31°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 92%
T50Ex: 0.6 [13]    Td: 8.5Xs [1]    Td*T50Ex: - [0]    To: 44.3s [13]
Closest plate boundaries:
   Aegean Sea - Eurasia [continental rift boundary]: distance: ~30km
   Eurasia / Africa [subduction zone]: distance: ~70km
   Aegean Sea / Africa [subduction zone]: distance: ~70km
   Eurasia - Africa [oceanic convergent boundary]: distance: ~80km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (70km)
 YES (80km)
 no
Prob underwater:
 92%
 92%
 92%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       31km
       31km
       31km
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.1774753321340.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 288°   dip: 54°   rake: -40°
Nodal Plane 2: strike: 43°   dip: 59°   rake: -137°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 6.9   misfit: 0.01   stationDistributionRatio: 0.40   meanDistP: 47.9   meanDistT: 44.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1774753321340.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.1774753321340.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: 238°   stationPolarityCount: 20   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1774753321340.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1774753321340
Event info last updated: 2026.03.29-04:00:00 UTC
Event first association/location: 2026.03.29-03:04:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA