Early-est:     Crimea Region, Ukraine    2025.12.14-00:38:06.04    q:A      mb:4.2    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1765672689507.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1765672689507.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1765672689507.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1765672689507.mech.fmamp_amp_mwp.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 [19]    Mwp: - [0]    Mwpd: - [0]
Region: Crimea Region, Ukraine
Origin Time: 2025.12.14-00:38:06.04 UTC
Hypocenter: lat: 44.42°  lon: 33.26°  [+/-2km]    depth: 10km  [+/-5km]
Location Quality: qualityCode:  A     stdErr: 0.8s   assocPhases: 36   usedPhases: 30
minDist: 2.5°   maxDist: 141.2°   AzGap: 104°   2ndAzGap: 121°   atten: -1.58 [+/-0.52]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 2km   maxHorUnc: 2km   azMaxHorUnc: 81°
68%ConfEllipsoid:   semiMajorAxisLength: 5km   majorAxisAzimuth: 232°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 3km   intermediateAxisAzimuth: 82°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 3km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [17]    Td: -s [0]    Td*T50Ex: - [0]    To: -s [0]
Closest plate boundaries:
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:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       10km
       10km
       10km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1765672689507.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 110°   dip: 35°   rake: -129°
Nodal Plane 2: strike: 335°   dip: 63°   rake: -66°
Quality: azimuthalGap: -1°   stationPolarityCount: 24   misfitWeightCount: 5.6   misfit: 0.20   stationDistributionRatio: 0.35   meanDistP: 46.2   meanDistT: 46.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1765672689507.mech.fmamp_polarity.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: 152°   stationPolarityCount: 24   misfit: 0.99   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 17.37   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1765672689507.mech.hash.mechanism.jpg
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
./hypo.1765672689507.mech.fmamp_amp_aref.mechanism.jpg
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
./hypo.1765672689507.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1765672689507
Event info last updated: 2025.12.14-01:38:23 UTC
Event first association/location: 2025.12.14-00:39:38 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI