Early-est:     Santa Cruz Islands    2024.12.12-17:29:56.28    q:B      mb:4.8*    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: 4.8* [21]    Mwp: 5.6X [2]    Mwpd: 6.0Xinv [2] Region: Santa Cruz Islands Origin Time: 2024.12.12-17:29:56.28 UTC Hypocenter: lat: -12.22°  lon: 165.92°  [+/-36km]    depth: 5km  [+/-36km] Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 55   usedPhases: 18 minDist: 3.5°   maxDist: 129.9°   AzGap: 84°   2ndAzGap: 131°   atten: -1.87 [+/-0.21] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 20km   maxHorUnc: 36km   azMaxHorUnc: 52° 68%ConfEllipsoid:   semiMajorAxisLength: 49km   majorAxisAzimuth: 56°   majorAxisPlunge: 30°   semiIntermediateAxisLength: 31km   intermediateAxisAzimuth: 190°   intermediateAxisPlunge: 50°   semiMinorAxisLength: 23km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.6 [18]    Td: 4.4Xs [3]    Td*T50Ex: - [0]    To: 22.9s [18] Closest plate boundaries:    Pacific / Australia [subduction zone]: distance: ~20km    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 (20km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        5km        5km        5km 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: 155°   dip: 24°   rake: 21° Nodal Plane 2: strike: 46°   dip: 82°   rake: 112° Quality: azimuthalGap: -1°   stationPolarityCount: 22   misfitWeightCount: 5.6   misfit: 0.12   stationDistributionRatio: 0.42   meanDistP: 49.2   meanDistT: 41.0   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: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 56°   dip: 74°   rake: 134° Nodal Plane 2: strike: 162°   dip: 46°   rake: 22° Quality: azimuthalGap: 97°   stationPolarityCount: 22   misfit: 0.29   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 40.28   fracAcc30degPref: 0.50   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734024592558
Event info last updated: 2024.12.12-18:28:00 UTC
Event first association/location: 2024.12.12-17:35:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA