Early-est:     New Ireland Region, P.N.G.    2026.08.11-20:31:28.75    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* [18]    Mwp: - [0]    Mwpd: - [0] Region: New Ireland Region, P.N.G. Origin Time: 2026.08.11-20:31:28.75 UTC Hypocenter: lat: -4.56°  lon: 153.02°  [+/-20km]    depth: 59km  [+/-19km] Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 52   usedPhases: 30 minDist: 0.9°   maxDist: 137.4°   AzGap: 112°   2ndAzGap: 165°   atten: -1.13 [+/-0.39] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 20km   azMaxHorUnc: 20° 68%ConfEllipsoid:   semiMajorAxisLength: 25km   majorAxisAzimuth: 19°   majorAxisPlunge: 5°   semiIntermediateAxisLength: 19km   intermediateAxisAzimuth: 279°   intermediateAxisPlunge: 62°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 28% T50Ex: 0.6 [18]    Td: -s [0]    Td*T50Ex: - [0]    To: 41.2s [17] Closest plate boundaries:    North Bismarck - South Bismarck [continental transform fault]: distance: ~10km    South Bismarck / Solomon Sea [subduction zone]: distance: ~130km    Pacific - North Bismarck [oceanic transform fault]: distance: ~160km    North Bismarck / Solomon Sea [subduction zone]: distance: ~210km 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?:  YES (130km)  no  YES (10km) Prob underwater:  28%  28%  28% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        59km        59km        59km 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: 336°   dip: 44°   rake: 164° Nodal Plane 2: strike: 78°   dip: 79°   rake: 47° Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 7.1   misfit: 0.14   stationDistributionRatio: 0.40   meanDistP: 51.1   meanDistT: 52.0   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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 333°   dip: 57°   rake: 175° Nodal Plane 2: strike: 66°   dip: 85°   rake: 33° Quality: azimuthalGap: 88°   stationPolarityCount: 20   misfit: 0.22   stationDistributionRatio: 0.74   rmsAngDiffAccPref: 33.97   fracAcc30degPref: 0.64   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786480286519
Event info last updated: 2026.08.11-21:30:00 UTC
Event first association/location: 2026.08.11-20:38:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA