Early-est:     Ionian Sea    2025.01.27-15:42:57.99    q:B      mb:-    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: 3.8X [2]    Mwp: - [0]    Mwpd: - [0] Region: Ionian Sea Origin Time: 2025.01.27-15:42:57.99 UTC Hypocenter: lat: 38.00°  lon: 19.94°  [+/-3km]    depth: 10km  [+/-11km] Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 14   usedPhases: 11 minDist: 1.7°   maxDist: 76.0°   AzGap: 149°   2ndAzGap: 204°   atten: -1.03 [+/-0.47] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 3km   azMaxHorUnc: 33° 68%ConfEllipsoid:   semiMajorAxisLength: 11km   majorAxisAzimuth: 224°   majorAxisPlunge: 81°   semiIntermediateAxisLength: 4km   intermediateAxisAzimuth: 325°   intermediateAxisPlunge: 2°   semiMinorAxisLength: 4km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.6X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: -s [0] Closest plate boundaries:    Eurasia - Africa [oceanic convergent boundary]: distance: ~10km    Eurasia / Africa [subduction zone]: distance: ~10km    Aegean Sea - Eurasia [continental transform fault]: distance: ~30km    Aegean Sea / Africa [subduction zone]: distance: ~40km    Eurasia \ Africa [subduction zone]: distance: ~480km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (10km)  YES (10km)  YES (30km) 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: 175°   dip: 63°   rake: 27° Nodal Plane 2: strike: 71°   dip: 66°   rake: 150° Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 4.8   misfit: 0.09   stationDistributionRatio: 0.41   meanDistP: 46.2   meanDistT: 37.2   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 100°   dip: 75°   rake: 167° Nodal Plane 2: strike: 193°   dip: 77°   rake: 15° Quality: azimuthalGap: 149°   stationPolarityCount: 12   misfit: 0.13   stationDistributionRatio: 0.74   rmsAngDiffAccPref: 43.53   fracAcc30degPref: 0.42   qualityCode: C 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: 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/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp

Event ID: smi:KOERI/ee/event/1737992577988
Event info last updated: 2025.01.27-16:43:02 UTC
Event first association/location: 2025.01.27-16:37:20 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI