Early-est:     Eastern New Guinea Reg., P.N.G.    2025.04.29-07:11:14.92    q:B      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1745910674592.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1745910674592.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1745910674592.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: 4.7* [15]    Mwp: - [0]    Mwpd: - [0]
Region: Eastern New Guinea Reg., P.N.G.
Origin Time: 2025.04.29-07:11:14.92 UTC
Hypocenter: lat: -6.17°  lon: 146.92°  [+/-14km]    depth: 102km  [+/-19km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 43   usedPhases: 21
minDist: 3.3°   maxDist: 146.4°   AzGap: 91°   2ndAzGap: 98°   atten: -1.02 [+/-0.34]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 14km   azMaxHorUnc: 82°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 293°   majorAxisPlunge: 73°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 79°   intermediateAxisPlunge: 14°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.5 [6]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.5s [6]
Closest plate boundaries:
   South Bismarck - Woodlark [continental convergent boundary]: distance: ~60km
Subduction geometry:    Zone: Solomon Islands: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (60km)
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       102km
       102km
       102km
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.1745910674592.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 46°   dip: 22°   rake: -146°
Nodal Plane 2: strike: 284°   dip: 78°   rake: -71°
Quality: azimuthalGap: -1°   stationPolarityCount: 16   misfitWeightCount: 6.9   misfit: 0.14   stationDistributionRatio: 0.54   meanDistP: 48.2   meanDistT: 42.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1745910674592.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.1745910674592.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 55°   dip: 17°   rake: -108°
Nodal Plane 2: strike: 253°   dip: 74°   rake: -85°
Quality: azimuthalGap: 128°   stationPolarityCount: 16   misfit: 0.28   stationDistributionRatio: 0.79   rmsAngDiffAccPref: 43.62   fracAcc30degPref: 0.40   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1745910674592.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1745910674592
Event info last updated: 2025.04.29-08:10:01 UTC
Event first association/location: 2025.04.29-07:20:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA