Early-est:     Fiji Islands Region    2024.12.12-19:41:38.52    q:B      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734032498690.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734032498690.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734032498690.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: 4.7* [19]    Mwp: - [0]    Mwpd: - [0]
Region: Fiji Islands Region
Origin Time: 2024.12.12-19:41:38.52 UTC
Hypocenter: lat: -17.39°  lon: -179.07°  [+/-16km]    depth: 530km  [+/-22km]
Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 29   usedPhases: 18
minDist: 8.8°   maxDist: 90.9°   AzGap: 113°   2ndAzGap: 190°   atten: -1.30 [+/-0.28]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 16km   azMaxHorUnc: 76°
68%ConfEllipsoid:   semiMajorAxisLength: 26km   majorAxisAzimuth: 63°   majorAxisPlunge: 50°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 322°   intermediateAxisPlunge: 9°   semiMinorAxisLength: 15km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 99%
T50Ex: 0.0 [12]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.9s [12]
Closest plate boundaries:
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 99%
 99%
 99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       530km
       530km
       530km
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.1734032498690.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 25°   dip: 46°   rake: 139°
Nodal Plane 2: strike: 145°   dip: 62°   rake: 52°
Quality: azimuthalGap: -1°   stationPolarityCount: 16   misfitWeightCount: 4.2   misfit: 0.07   stationDistributionRatio: 0.59   meanDistP: 47.7   meanDistT: 48.5   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734032498690.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.1734032498690.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 203°   stationPolarityCount: 16   misfit: 0.99   stationDistributionRatio: 0.75   rmsAngDiffAccPref: 19.21   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734032498690.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734032498690
Event info last updated: 2024.12.12-20:40:01 UTC
Event first association/location: 2024.12.12-19:49:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA