Early-est:     Vanuatu Islands    2024.12.17-04:18:41.12    q:B      mb:5.2*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734409124471.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734409124471.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734409124471.mech.hash.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 5.2* [36]    Mwp: 6.0X [1]    Mwpd: 6.0Xinv [1]
Region: Vanuatu Islands
Origin Time: 2024.12.17-04:18:41.12 UTC
Hypocenter: lat: -17.64°  lon: 168.01°  [+/-25km]    depth: 9km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 2.6s   assocPhases: 118   usedPhases: 79
minDist: 4.6°   maxDist: 156.9°   AzGap: 51°   2ndAzGap: 72°   atten: -1.19 [+/-0.20]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 25km   azMaxHorUnc: 51°
68%ConfEllipsoid:   semiMajorAxisLength: 32km   majorAxisAzimuth: 231°   majorAxisPlunge: 11°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 139°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [24]    Td: 4.7Xs [3]    Td*T50Ex: - [0]    To: 10.6s [23]
Closest plate boundaries:
   New Hebrides / Australia [subduction zone]: distance: ~80km
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 (80km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
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)
./hypo.1734409124471.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 118°   dip: 10°   rake: -14°
Nodal Plane 2: strike: 222°   dip: 88°   rake: -100°
Quality: azimuthalGap: -1°   stationPolarityCount: 34   misfitWeightCount: 6.3   misfit: 0.14   stationDistributionRatio: 0.67   meanDistP: 44.0   meanDistT: 40.8   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734409124471.mech.fmamp_polarity.mechanism.jpg
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
./hypo.1734409124471.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 260°   dip: 77°   rake: -89°
Nodal Plane 2: strike: 78°   dip: 13°   rake: -92°
Quality: azimuthalGap: 72°   stationPolarityCount: 34   misfit: 0.27   stationDistributionRatio: 0.62   rmsAngDiffAccPref: 25.26   fracAcc30degPref: 0.77   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734409124471.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734409124471
Event info last updated: 2024.12.17-05:17:01 UTC
Event first association/location: 2024.12.17-04:25:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA