Early-est:     New Britain Region, P.N.G.    2026.06.25-06:19:37.13    q:A      mb:5.3*    Mwp:-    Mwpd:-    Td*T50Ex:0.9     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: 5.3* [57]    Mwp: 5.7X [1]    Mwpd: 5.9Xinv [1] Region: New Britain Region, P.N.G. Origin Time: 2026.06.25-06:19:37.13 UTC Hypocenter: lat: -4.23°  lon: 152.94°  [+/-12km]    depth: 30km  [+/-19km] Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 190   usedPhases: 132 minDist: 0.8°   maxDist: 150.8°   AzGap: 56°   2ndAzGap: 65°   atten: -1.39 [+/-0.25] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 12km   azMaxHorUnc: 96° 68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 272°   majorAxisPlunge: 87°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 96°   intermediateAxisPlunge: 3°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: <1% T50Ex: 0.6 [48]    Td: 1.6s [10]    Td*T50Ex: 0.9 [10]    To: 22.2s [46] Closest plate boundaries:    North Bismarck - South Bismarck [continental transform fault]: distance: ~30km    Pacific - North Bismarck [oceanic convergent boundary]: distance: ~160km    South Bismarck / Solomon Sea [subduction zone]: distance: ~160km    North Bismarck - Manus [oceanic convergent boundary]: distance: ~190km 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 (160km)  no  YES (30km) Prob underwater:  <1%  <1%  <1% Td*T50Ex:    0.9    0.9    0.9 Td*To:      35.5      35.5      35.5 Mwp magnitude:        -        -        - Hypocenter depth:        30km        30km        30km 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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 140°   dip: 15°   rake: 49° Nodal Plane 2: strike: 3°   dip: 79°   rake: 100° Quality: azimuthalGap: -1°   stationPolarityCount: 51   misfitWeightCount: 10.8   misfit: 0.13   stationDistributionRatio: 0.35   meanDistP: 38.3   meanDistT: 37.4   qualityCode: C 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: 140°   dip: 7°   rake: 50° Nodal Plane 2: strike: 360°   dip: 85°   rake: 95° Quality: azimuthalGap: 91°   stationPolarityCount: 51   misfit: 0.30   stationDistributionRatio: 0.78   rmsAngDiffAccPref: 27.80   fracAcc30degPref: 0.75   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1782368382609
Event info last updated: 2026.06.25-07:18:03 UTC
Event first association/location: 2026.06.25-06:25:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA