Early-est:     Greece - Albania Border Region    2026.06.20-17:07:32.75    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1781975253735.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1781975253735.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1781975253735.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: 4.5X [2]    Mwp: - [0]    Mwpd: - [0]
Region: Greece - Albania Border Region
Origin Time: 2026.06.20-17:07:32.75 UTC
Hypocenter: lat: 39.58°  lon: 20.72°  [+/-4km]    depth: 68km  [+/-9km]
Location Quality: qualityCode:  B     stdErr: 0.7s   assocPhases: 16   usedPhases: 12
minDist: 1.5°   maxDist: 125.6°   AzGap: 82°   2ndAzGap: 154°   atten: -0.01 [+/-0.57]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 4km   azMaxHorUnc: 98°
68%ConfEllipsoid:   semiMajorAxisLength: 9km   majorAxisAzimuth: 277°   majorAxisPlunge: 77°   semiIntermediateAxisLength: 5km   intermediateAxisAzimuth: 98°   intermediateAxisPlunge: 13°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [4]    Td: -s [0]    Td*T50Ex: - [0]    To: 43.4Xs [3]
Closest plate boundaries:
   Aegean Sea - Eurasia [continental transform fault]: distance: ~130km
   Eurasia - Africa [oceanic convergent boundary]: distance: ~180km
   Eurasia / Africa [subduction zone]: distance: ~200km
   Aegean Sea / Africa [subduction zone]: distance: ~200km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (200km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       68km
       68km
       68km
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.1781975253735.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.1781975253735.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.1781975253735.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: 108°   stationPolarityCount: 6   misfit: 0.99   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 46.88   fracAcc30degPref: 0.00   qualityCode: F
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1781975253735.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1781975253735
Event info last updated: 2026.06.20-18:06:00 UTC
Event first association/location: 2026.06.20-17:10:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA