Early-est:     Santa Cruz Islands    2024.12.12-20:03:11.07    q:C      mb:4.5*    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: 4.5* [11]    Mwp: - [0]    Mwpd: - [0] Region: Santa Cruz Islands Origin Time: 2024.12.12-20:03:11.07 UTC Hypocenter: lat: -12.05°  lon: 165.98°  [+/-17km]    depth: 5km  [+/-14km] Location Quality: qualityCode:  C     stdErr: 2.1s   assocPhases: 18   usedPhases: 12 minDist: 3.6°   maxDist: 126.8°   AzGap: 80°   2ndAzGap: 144°   atten: -1.03 [+/-0.22] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 17km   azMaxHorUnc: 42° 68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 43°   majorAxisPlunge: 7°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 141°   intermediateAxisPlunge: 51°   semiMinorAxisLength: 12km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [7]    Td: -s [0]    Td*T50Ex: - [0]    To: 21.1s [6] Closest plate boundaries:    Pacific / Australia [subduction zone]: distance: ~30km    New Hebrides - Pacific [continental convergent boundary]: distance: ~190km    New Hebrides / Australia [subduction zone]: distance: ~190km 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 (30km)  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: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 18°   dip: 25°   rake: 131° Nodal Plane 2: strike: 154°   dip: 72°   rake: 73° Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 4.4   misfit: 0.03   stationDistributionRatio: 0.33   meanDistP: 51.9   meanDistT: 45.1   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: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 256°   dip: 18°   rake: 52° Nodal Plane 2: strike: 115°   dip: 76°   rake: 101° Quality: azimuthalGap: 130°   stationPolarityCount: 10   misfit: 0.30   stationDistributionRatio: 0.74   rmsAngDiffAccPref: 40.74   fracAcc30degPref: 0.39   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734033796191
Event info last updated: 2024.12.12-21:02:01 UTC
Event first association/location: 2024.12.12-20:09:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA