Early-est:     Santa Cruz Islands    2024.12.12-19:46:42.12    q:C      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734032803886.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734032803886.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734032803886.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: 5.1* [20]    Mwp: - [0]    Mwpd: - [0]
Region: Santa Cruz Islands
Origin Time: 2024.12.12-19:46:42.12 UTC
Hypocenter: lat: -11.96°  lon: 166.24°  [+/-42km]    depth: 5km  [+/-97km]
Location Quality: qualityCode:  C     stdErr: 2.2s   assocPhases: 48   usedPhases: 18
minDist: 3.6°   maxDist: 127.7°   AzGap: 138°   2ndAzGap: 183°   atten: -1.01 [+/-0.21]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 26km   maxHorUnc: 42km   azMaxHorUnc: 128°
68%ConfEllipsoid:   semiMajorAxisLength: 108km   majorAxisAzimuth: 132°   majorAxisPlunge: 63°   semiIntermediateAxisLength: 33km   intermediateAxisAzimuth: 236°   intermediateAxisPlunge: 7°   semiMinorAxisLength: 22km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [11]    Td: -s [0]    Td*T50Ex: - [0]    To: 17.4s [11]
Closest plate boundaries:
   Pacific / Australia [subduction zone]: distance: ~60km
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 (60km)
 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)
./hypo.1734032803886.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 177°   dip: 59°   rake: 15°
Nodal Plane 2: strike: 79°   dip: 77°   rake: 148°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 4.3   misfit: 0.05   stationDistributionRatio: 0.33   meanDistP: 55.8   meanDistT: 52.3   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734032803886.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.1734032803886.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 101°   dip: 79°   rake: 177°
Nodal Plane 2: strike: 191°   dip: 88°   rake: 11°
Quality: azimuthalGap: 147°   stationPolarityCount: 20   misfit: 0.21   stationDistributionRatio: 0.75   rmsAngDiffAccPref: 19.21   fracAcc30degPref: 0.92   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734032803886.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734032803886
Event info last updated: 2024.12.12-20:45:01 UTC
Event first association/location: 2024.12.12-19:54:07 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA