Early-est:     New Britain Region, P.N.G.    2024.12.19-15:17:18.58    q:B      mb:4.4*    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: 4.4* [15]    Mwp: - [0]    Mwpd: - [0] Region: New Britain Region, P.N.G. Origin Time: 2024.12.19-15:17:18.58 UTC Hypocenter: lat: -4.12°  lon: 151.86°  [+/-13km]    depth: 242km  [+/-16km] Location Quality: qualityCode:  B     stdErr: 1.2s   assocPhases: 23   usedPhases: 17 minDist: 0.3°   maxDist: 140.3°   AzGap: 104°   2ndAzGap: 141°   atten: -0.76 [+/-0.43] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 13km   azMaxHorUnc: 166° 68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 4°   majorAxisPlunge: 30°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 123°   intermediateAxisPlunge: 39°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0 [10]    Td: 0.6Xs [1]    Td*T50Ex: - [0]    To: 1.6s [10] Closest plate boundaries:    North Bismarck - South Bismarck [continental transform fault]: distance: ~40km    North Bismarck - Manus [oceanic convergent boundary]: distance: ~80km    Manus - South Bismarck [oceanic spreading ridge]: distance: ~80km    South Bismarck / Solomon Sea [subduction zone]: 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 (190km)  YES (80km)  YES (40km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        242km        242km        242km 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: 30°   dip: 44°   rake: -67° Nodal Plane 2: strike: 179°   dip: 50°   rake: -111° Quality: azimuthalGap: -1°   stationPolarityCount: 14   misfitWeightCount: 6.0   misfit: 0.17   stationDistributionRatio: 0.52   meanDistP: 45.5   meanDistT: 54.9   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):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 152°   stationPolarityCount: 14   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734621438159
Event info last updated: 2024.12.19-16:16:00 UTC
Event first association/location: 2024.12.19-15:23:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA