Early-est:     Turkey    2025.12.08-10:21:33.02    q:A      mb:5.2    Mwp:4.8    Mwpd:-    Td*T50Ex:0.5     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: 5.2 [135]    Mwp: 4.8 [15]    Mwpd: 5.6Xinv [2] Region: Turkey Origin Time: 2025.12.08-10:21:33.02 UTC Hypocenter: lat: 36.91°  lon: 30.82°  [+/-2km]    depth: 99km  [+/-2km] Location Quality: qualityCode:  A     stdErr: 1.0s   assocPhases: 257   usedPhases: 189 minDist: 0.8°   maxDist: 149.2°   AzGap: 21°   2ndAzGap: 41°   atten: -1.56 [+/-0.10] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 1km   maxHorUnc: 2km   azMaxHorUnc: 169° 68%ConfEllipsoid:   semiMajorAxisLength: 2km   majorAxisAzimuth: 349°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 2km   intermediateAxisAzimuth: 250°   intermediateAxisPlunge: 72°   semiMinorAxisLength: 2km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 13% T50Ex: 0.4 [123]    Td: 1.1s [42]    Td*T50Ex: 0.5 [42]    To: 1.6s [63] Closest plate boundaries:    Aegean Sea - Anatolia [oceanic spreading ridge]: distance: ~180km    Aegean Sea / Africa [subduction zone]: distance: ~190km    Anatolia / Africa [subduction zone]: distance: ~190km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (190km)  no  no Prob underwater:  13%  13%  13% Td*T50Ex:    0.5    0.5    0.5 Td*To:      1.8      1.8      1.8 Mwp magnitude:        4.8        4.8        4.8 Hypocenter depth:        99km        99km        99km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY): Nodal Plane 1: strike: 46°   dip: 20°   rake: 127° Nodal Plane 2: strike: 187°   dip: 74°   rake: 78° Quality: azimuthalGap: -1°   stationPolarityCount: 170   misfitWeightCount: 76.3   misfit: 0.29   stationDistributionRatio: 0.60   meanDistP: 16.8   meanDistT: 13.9   qualityCode: B Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 98°   dip: 49°   rake: -157° Nodal Plane 2: strike: 352°   dip: 73°   rake: -43° Quality: azimuthalGap: 12°   stationPolarityCount: 170   misfit: 0.37   stationDistributionRatio: 0.54   rmsAngDiffAccPref: 35.93   fracAcc30degPref: 0.65   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF): Nodal Plane 1: strike: 62°   dip: 39°   rake: 148° Nodal Plane 2: strike: 178°   dip: 70°   rake: 55° Quality: azimuthalGap: -1°   stationPolarityCount: 22   misfitWeightCount: 11.6   misfit: 9999.90   stationDistributionRatio: 0.61   meanDistP: 20.5   meanDistT: 21.4   qualityCode: B Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 302°   dip: 27°   rake: 107° Nodal Plane 2: strike: 103°   dip: 65°   rake: 82° Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 6.4   misfit: 9999.90   stationDistributionRatio: 0.56   meanDistP: 42.9   meanDistT: 29.1   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_amp_mwp

Event ID: smi:KOERI/ee/event/1765189293181
Event info last updated: 2025.12.08-11:21:48 UTC
Event first association/location: 2025.12.08-10:22:25 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI