Early-est:     Turkey    2026.04.02-18:22:52.02    q:C      mb:4.2*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1775154175813.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1775154175813.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1775154175813.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: 4.2* [5]    Mwp: - [0]    Mwpd: - [0]
Region: Turkey
Origin Time: 2026.04.02-18:22:52.02 UTC
Hypocenter: lat: 39.09°  lon: 28.07°  [+/-18km]    depth: 9km  [+/-63km]
Location Quality: qualityCode:  C     stdErr: 6.5s   assocPhases: 16   usedPhases: 8
minDist: 2.4°   maxDist: 125.6°   AzGap: 73°   2ndAzGap: 135°   atten: -2.77 [+/-1.54]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 18km   azMaxHorUnc: 78°
68%ConfEllipsoid:   semiMajorAxisLength: 63km   majorAxisAzimuth: 244°   majorAxisPlunge: 87°   semiIntermediateAxisLength: 22km   intermediateAxisAzimuth: 79°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 18km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.7X [3]    Td: 1.4Xs [1]    Td*T50Ex: - [0]    To: 27.7Xs [3]
Closest plate boundaries:
   Aegean Sea - Anatolia [continental rift boundary]: distance: ~70km
   Anatolia - Eurasia [continental transform fault]: distance: ~170km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       9km
       9km
       9km
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.1775154175813.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 166°   dip: 19°   rake: -146°
Nodal Plane 2: strike: 44°   dip: 79°   rake: -74°
Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 5.8   misfit: 0.17   stationDistributionRatio: 0.60   meanDistP: 51.7   meanDistT: 52.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1775154175813.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.1775154175813.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: 69°   stationPolarityCount: 4   misfit: 0.99   stationDistributionRatio: 0.78   rmsAngDiffAccPref: 41.07   fracAcc30degPref: 0.00   qualityCode: F
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1775154175813.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1775154175813
Event info last updated: 2026.04.02-19:21:00 UTC
Event first association/location: 2026.04.02-18:26:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA