Early-est:     Eastern New Guinea Reg., P.N.G.    2025.04.11-22:24:49.46    q:A      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1744410288826.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1744410288826.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1744410288826.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: 5.0* [34]    Mwp: - [0]    Mwpd: - [0]
Region: Eastern New Guinea Reg., P.N.G.
Origin Time: 2025.04.11-22:24:49.46 UTC
Hypocenter: lat: -5.49°  lon: 146.64°  [+/-14km]    depth: 112km  [+/-18km]
Location Quality: qualityCode:  A     stdErr: 1.3s   assocPhases: 61   usedPhases: 46
minDist: 4.0°   maxDist: 151.6°   AzGap: 60°   2ndAzGap: 93°   atten: -1.58 [+/-0.28]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 14km   azMaxHorUnc: 30°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 218°   majorAxisPlunge: 62°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 324°   intermediateAxisPlunge: 8°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [18]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.1s [17]
Closest plate boundaries:
   South Bismarck - Woodlark [continental convergent boundary]: distance: ~100km
   North Bismarck - South Bismarck [continental convergent boundary]: 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 (100km)
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       112km
       112km
       112km
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.1744410288826.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 111°   dip: 41°   rake: 140°
Nodal Plane 2: strike: 233°   dip: 65°   rake: 56°
Quality: azimuthalGap: -1°   stationPolarityCount: 31   misfitWeightCount: 10.9   misfit: 0.12   stationDistributionRatio: 0.50   meanDistP: 41.5   meanDistT: 31.9   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1744410288826.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.1744410288826.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 75°   dip: 27°   rake: 108°
Nodal Plane 2: strike: 235°   dip: 64°   rake: 81°
Quality: azimuthalGap: 94°   stationPolarityCount: 31   misfit: 0.29   stationDistributionRatio: 0.77   rmsAngDiffAccPref: 28.84   fracAcc30degPref: 0.75   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1744410288826.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1744410288826
Event info last updated: 2025.04.11-23:23:00 UTC
Event first association/location: 2025.04.11-22:30:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA