Early-est:     Eastern New Guinea Reg., P.N.G.    2025.01.26-01:17:56.69    q:B      mb:4.0    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1737854276906.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1737854276906.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1737854276906.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1737854276906.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: 4.0 [8]    Mwp: - [0]    Mwpd: - [0]
Region: Eastern New Guinea Reg., P.N.G.
Origin Time: 2025.01.26-01:17:56.69 UTC
Hypocenter: lat: -5.51°  lon: 147.33°  [+/-14km]    depth: 202km  [+/-19km]
Location Quality: qualityCode:  B     stdErr: 1.2s   assocPhases: 14   usedPhases: 13
minDist: 3.5°   maxDist: 47.6°   AzGap: 96°   2ndAzGap: 171°   atten: -1.27 [+/-0.35]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 14km   azMaxHorUnc: 117°
68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 113°   majorAxisPlunge: 54°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 303°   intermediateAxisPlunge: 35°   semiMinorAxisLength: 12km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4Xs [2]
Closest plate boundaries:
   South Bismarck - Woodlark [continental convergent boundary]: distance: ~140km
Subduction geometry:    Zone: Solomon Islands    Slab depth at epicenter: 167km
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:
       202km
       202km
       202km
Slab depth at epicenter:
       167km
       -
       -
./hypo.1737854276906.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 54°   dip: 15°   rake: 38°
Nodal Plane 2: strike: 287°   dip: 81°   rake: 102°
Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 4.6   misfit: 0.10   stationDistributionRatio: 0.29   meanDistP: 46.0   meanDistT: 42.5   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1737854276906.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: 219°   stationPolarityCount: 10   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1737854276906.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
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.1737854276906.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 0°   dip: 0°   rake: nan°
Nodal Plane 2: strike: nan°   dip: nan°   rake: nan°
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.1737854276906.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1737854276906
Event info last updated: 2025.01.26-02:18:01 UTC
Event first association/location: 2025.01.26-01:23:01 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI