Early-est:     Central Mediterranean Sea    2025.12.15-09:11:21.91    q:A      mb:4.8    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: 4.8 [18]    Mwp: - [0]    Mwpd: - [0] Region: Central Mediterranean Sea Origin Time: 2025.12.15-09:11:21.91 UTC Hypocenter: lat: 36.50°  lon: 16.83°  [+/-3km]    depth: 20km  [+/-6km] Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 30   usedPhases: 24 minDist: 2.0°   maxDist: 121.4°   AzGap: 108°   2ndAzGap: 154°   atten: -1.35 [+/-0.28] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 3km   azMaxHorUnc: 19° 68%ConfEllipsoid:   semiMajorAxisLength: 6km   majorAxisAzimuth: 115°   majorAxisPlunge: 89°   semiIntermediateAxisLength: 3km   intermediateAxisAzimuth: 19°   intermediateAxisPlunge: 0°   semiMinorAxisLength: 2km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.3 [12]    Td: -s [0]    Td*T50Ex: - [0]    To: -s [0] Closest plate boundaries:    Eurasia / Africa [subduction zone]: distance: ~100km    Eurasia - Africa [continental transform fault]: distance: ~160km    Eurasia \ Africa [subduction zone]: distance: ~320km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (100km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        20km        20km        20km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 214°   dip: 16°   rake: -179° Nodal Plane 2: strike: 123°   dip: 90°   rake: -74° Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 4.7   misfit: 0.22   stationDistributionRatio: 0.41   meanDistP: 45.2   meanDistT: 54.6   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: 223°   stationPolarityCount: 20   misfit: 0.99   stationDistributionRatio: 0.82   rmsAngDiffAccPref: 49.07   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: 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/1765789883636
Event info last updated: 2025.12.15-10:11:33 UTC
Event first association/location: 2025.12.15-09:13:13 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI