Early-est:     New Britain Region, P.N.G.    2026.02.05-12:52:57.70    q:B      mb:4.3*    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: 4.3* [10]    Mwp: 3.9X [1]    Mwpd: - [0] Region: New Britain Region, P.N.G. Origin Time: 2026.02.05-12:52:57.70 UTC Hypocenter: lat: -5.07°  lon: 151.50°  [+/-13km]    depth: 112km  [+/-12km] Location Quality: qualityCode:  B     stdErr: 1.4s   assocPhases: 13   usedPhases: 10 minDist: 1.1°   maxDist: 94.8°   AzGap: 148°   2ndAzGap: 164°   atten: -0.79 [+/-0.64] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 13km   azMaxHorUnc: 109° 68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 107°   majorAxisPlunge: 12°   semiIntermediateAxisLength: 13km   intermediateAxisAzimuth: 4°   intermediateAxisPlunge: 46°   semiMinorAxisLength: 11km Tsunamigeneic Assesment: Discriminants: Prob Underwater: <1% T50Ex: 0.4 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.9s [5] Closest plate boundaries:    South Bismarck / Solomon Sea [subduction zone]: distance: ~100km    North Bismarck - South Bismarck [continental transform fault]: distance: ~150km    Manus - South Bismarck [oceanic spreading ridge]: distance: ~150km    North Bismarck - Manus [oceanic convergent boundary]: distance: ~160km    North Bismarck / Solomon Sea [subduction zone]: distance: ~300km    Solomon Sea \ Woodlark [subduction zone]: distance: ~310km 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 (100km)  no  no Prob underwater:  <1%  <1%  <1% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        112km        112km        112km 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: 275°   dip: 35°   rake: 141° Nodal Plane 2: strike: 39°   dip: 69°   rake: 62° Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 5.4   misfit: 0.00   stationDistributionRatio: 0.35   meanDistP: 47.7   meanDistT: 49.8   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: 166°   stationPolarityCount: 10   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/1770295977579
Event info last updated: 2026.02.05-13:51:09 UTC
Event first association/location: 2026.02.05-13:00:27 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA