Early-est:     New Guinea, Papua New Guinea    2026.08.15-11:10:29.59    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 5.0* [23]    Mwp: 5.3X [1]    Mwpd: 6.4Xinv [1] Region: New Guinea, Papua New Guinea Origin Time: 2026.08.15-11:10:29.59 UTC Hypocenter: lat: -4.93°  lon: 143.88°  [+/-16km]    depth: 118km  [+/-18km] Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 53   usedPhases: 17 minDist: 4.5°   maxDist: 142.9°   AzGap: 68°   2ndAzGap: 78°   atten: -1.19 [+/-0.58] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 16km   azMaxHorUnc: 169° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 170°   majorAxisPlunge: 12°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 310°   intermediateAxisPlunge: 75°   semiMinorAxisLength: 15km Tsunamigeneic Assesment: Discriminants: Prob Underwater: <1% T50Ex: 0.1 [15]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [15] Closest plate boundaries:    South Bismarck - Woodlark [continental rift boundary]: distance: ~100km    North Bismarck - South Bismarck [continental convergent boundary]: distance: ~160km    North Bismarck \ Woodlark [subduction zone]: distance: ~160km    Woodlark - Australia [continental convergent boundary]: distance: ~180km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (160km)  no  no Prob underwater:  <1%  <1%  <1% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        118km        118km        118km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 8°   dip: 8°   rake: -157° Nodal Plane 2: strike: 255°   dip: 87°   rake: -83° Quality: azimuthalGap: -1°   stationPolarityCount: 22   misfitWeightCount: 8.7   misfit: 0.14   stationDistributionRatio: 0.39   meanDistP: 52.6   meanDistT: 44.7   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 165°   dip: 74°   rake: 161° Nodal Plane 2: strike: 261°   dip: 72°   rake: 16° Quality: azimuthalGap: 103°   stationPolarityCount: 22   misfit: 0.21   stationDistributionRatio: 0.71   rmsAngDiffAccPref: 40.96   fracAcc30degPref: 0.50   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786792225990
Event info last updated: 2026.08.15-12:09:00 UTC
Event first association/location: 2026.08.15-11:17:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA