Early-est:     Spain    2025.12.07-23:10:26.70    q:B      mb:4.3    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1765149026660.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1765149026660.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1765149026660.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1765149026660.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: 4.3 [7]    Mwp: - [0]    Mwpd: - [0]
Region: Spain
Origin Time: 2025.12.07-23:10:26.70 UTC
Hypocenter: lat: 42.75°  lon: -2.83°  [+/-8km]    depth: 86km  [+/-9km]
Location Quality: qualityCode:  B     stdErr: 1.4s   assocPhases: 16   usedPhases: 14
minDist: 2.5°   maxDist: 176.0°   AzGap: 110°   2ndAzGap: 140°   atten: -1.89 [+/-0.36]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 6km   maxHorUnc: 8km   azMaxHorUnc: 138°
68%ConfEllipsoid:   semiMajorAxisLength: 11km   majorAxisAzimuth: 138°   majorAxisPlunge: 40°   semiIntermediateAxisLength: 8km   intermediateAxisAzimuth: 317°   intermediateAxisPlunge: 50°   semiMinorAxisLength: 7km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.6 [5]    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:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       86km
       86km
       86km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1765149026660.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 142°   dip: 42°   rake: 71°
Nodal Plane 2: strike: 346°   dip: 51°   rake: 106°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 2.5   misfit: 0.08   stationDistributionRatio: 0.22   meanDistP: 42.1   meanDistT: 40.8   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1765149026660.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 337°   dip: 42°   rake: 91°
Nodal Plane 2: strike: 155°   dip: 48°   rake: 89°
Quality: azimuthalGap: 145°   stationPolarityCount: 8   misfit: 0.21   stationDistributionRatio: 0.15   rmsAngDiffAccPref: 41.43   fracAcc30degPref: 0.45   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1765149026660.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.1765149026660.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.1765149026660.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1765149026660
Event info last updated: 2025.12.08-00:10:41 UTC
Event first association/location: 2025.12.07-23:21:04 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI