Early-est:     Banda Sea    2025.11.08-20:15:54.85    q:C      mb:4.2    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1762632954852.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1762632954852.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1762632954852.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1762632954852.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 [7]    Mwp: - [0]    Mwpd: - [0]
Region: Banda Sea
Origin Time: 2025.11.08-20:15:54.85 UTC
Hypocenter: lat: -7.24°  lon: 129.65°  [+/-14km]    depth: 121km  [+/-17km]
Location Quality: qualityCode:  C     stdErr: 0.8s   assocPhases: 15   usedPhases: 10
minDist: 6.1°   maxDist: 167.0°   AzGap: 102°   2ndAzGap: 115°   atten: -1.15 [+/-0.57]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 14km   azMaxHorUnc: 93°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 113°   majorAxisPlunge: 43°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 239°   intermediateAxisPlunge: 33°   semiMinorAxisLength: 12km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.5 [6]    Td: 0.2Xs [2]    Td*T50Ex: - [0]    To: 29.5Xs [2]
Closest plate boundaries:
   Banda Sea - Timor [continental convergent boundary]: distance: ~80km
   Timor - Australia [continental transform fault]: distance: ~190km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (80km)
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       121km
       121km
       121km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1762632954852.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 177°   dip: 59°   rake: -147°
Nodal Plane 2: strike: 68°   dip: 62°   rake: -36°
Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 5.9   misfit: 0.11   stationDistributionRatio: 0.40   meanDistP: 29.8   meanDistT: 40.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1762632954852.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 196°   dip: 43°   rake: -128°
Nodal Plane 2: strike: 63°   dip: 57°   rake: -60°
Quality: azimuthalGap: 102°   stationPolarityCount: 12   misfit: 0.25   stationDistributionRatio: 0.61   rmsAngDiffAccPref: 50.12   fracAcc30degPref: 0.25   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1762632954852.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.1762632954852.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.1762632954852.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1762632954852
Event info last updated: 2025.11.08-21:16:23 UTC
Event first association/location: 2025.11.08-21:11:03 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI