Early-est:     Ionian Sea    2025.12.16-00:50:12.38    q:C      mb:5.0    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 5.0 [5]    Mwp: - [0]    Mwpd: - [0] Region: Ionian Sea Origin Time: 2025.12.16-00:50:12.38 UTC Hypocenter: lat: 37.65°  lon: 20.35°  [+/-21km]    depth: 10km  [+/-13km] Location Quality: qualityCode:  C     stdErr: 1.9s   assocPhases: 15   usedPhases: 11 minDist: 1.3°   maxDist: 95.5°   AzGap: 177°   2ndAzGap: 240°   atten: -9.90 [+/-0.00] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 21km   azMaxHorUnc: 84° 68%ConfEllipsoid:   semiMajorAxisLength: 26km   majorAxisAzimuth: 84°   majorAxisPlunge: 6°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 175°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4X [2]    Td: -s [0]    Td*T50Ex: - [0]    To: 5.1Xs [1] Closest plate boundaries:    Aegean Sea - Eurasia [continental convergent boundary]: distance: ~20km    Eurasia / Africa [subduction zone]: distance: ~20km    Aegean Sea / Africa [subduction zone]: distance: ~20km    Eurasia - Africa [oceanic convergent boundary]: distance: ~40km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (20km)  YES (20km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        10km        10km        10km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 166°   dip: 23°   rake: -170° Nodal Plane 2: strike: 66°   dip: 86°   rake: -67° Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 3.5   misfit: 0.08   stationDistributionRatio: 0.73   meanDistP: 29.7   meanDistT: 40.8   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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: 207°   stationPolarityCount: 11   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available) Nodal Plane 1: strike: 0°   dip: 0°   rake: nan° Nodal Plane 2: strike: nan°   dip: nan°   rake: nan° 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/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available) Nodal Plane 1: strike: 0°   dip: 0°   rake: nan° Nodal Plane 2: strike: nan°   dip: nan°   rake: nan° 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/_amp_mwp

Event ID: smi:KOERI/ee/event/1765846212379
Event info last updated: 2025.12.16-01:50:33 UTC
Event first association/location: 2025.12.16-01:14:12 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI