Early-est:     Santa Cruz Islands    2024.12.12-19:37:15.28    q:B      mb:4.8*    Mwp:5.4    Mwpd:-    Td*T50Ex:1.7     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: 4.8* [23]    Mwp: 5.4 [4]    Mwpd: 6.0Xinv [3] Region: Santa Cruz Islands Origin Time: 2024.12.12-19:37:15.28 UTC Hypocenter: lat: -12.27°  lon: 165.85°  [+/-32km]    depth: 9km  [+/-27km] Location Quality: qualityCode:  B     stdErr: 1.2s   assocPhases: 81   usedPhases: 21 minDist: 3.4°   maxDist: 153.9°   AzGap: 61°   2ndAzGap: 86°   atten: -1.76 [+/-0.22] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 32km   azMaxHorUnc: 49° 68%ConfEllipsoid:   semiMajorAxisLength: 44km   majorAxisAzimuth: 49°   majorAxisPlunge: 29°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 139°   intermediateAxisPlunge: 1°   semiMinorAxisLength: 18km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [23]    Td: 3.4s [4]    Td*T50Ex: 1.7 [4]    To: 22.2s [22] Closest plate boundaries:    Pacific / Australia [subduction zone]: distance: ~10km    New Hebrides - Pacific [continental convergent boundary]: distance: ~170km    New Hebrides / Australia [subduction zone]: distance: ~170km Subduction geometry:    Zone: Santa Cruz Islands/Vanuatu/Loyalty 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 (10km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    1.7    1.7    1.7 Td*To:      75.5      75.5      75.5 Mwp magnitude:        5.4        5.4        5.4 Hypocenter depth:        9km        9km        9km 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: 117°   dip: 15°   rake: 139° Nodal Plane 2: strike: 247°   dip: 80°   rake: 79° Quality: azimuthalGap: -1°   stationPolarityCount: 23   misfitWeightCount: 6.7   misfit: 0.15   stationDistributionRatio: 0.42   meanDistP: 45.5   meanDistT: 50.1   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: 249°   dip: 70°   rake: 90° Nodal Plane 2: strike: 68°   dip: 20°   rake: 89° Quality: azimuthalGap: 60°   stationPolarityCount: 23   misfit: 0.22   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 34.82   fracAcc30degPref: 0.57   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734032236018
Event info last updated: 2024.12.12-20:36:01 UTC
Event first association/location: 2024.12.12-19:43:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA