Early-est:     Fiji Islands Region    2024.12.12-08:47:41.91    q:B      mb:4.5*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1733993264972.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1733993264972.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1733993264972.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: 4.5* [28]    Mwp: - [0]    Mwpd: - [0]
Region: Fiji Islands Region
Origin Time: 2024.12.12-08:47:41.91 UTC
Hypocenter: lat: -17.92°  lon: -178.40°  [+/-13km]    depth: 593km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 0.7s   assocPhases: 46   usedPhases: 34
minDist: 14.0°   maxDist: 91.7°   AzGap: 142°   2ndAzGap: 146°   atten: -1.00 [+/-0.27]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 13km   azMaxHorUnc: 103°
68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 269°   majorAxisPlunge: 52°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 174°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.0 [18]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.9s [18]
Closest plate boundaries:
   Niuafo'ou - Australia [continental transform fault]: distance: ~190km
Subduction geometry:    Zone: Kermadec-Tonga: 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?:
 no
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       593km
       593km
       593km
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.1733993264972.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 124°   dip: 40°   rake: -148°
Nodal Plane 2: strike: 8°   dip: 70°   rake: -55°
Quality: azimuthalGap: -1°   stationPolarityCount: 28   misfitWeightCount: 6.8   misfit: 0.08   stationDistributionRatio: 0.46   meanDistP: 43.8   meanDistT: 50.0   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1733993264972.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.1733993264972.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 109°   dip: 46°   rake: -171°
Nodal Plane 2: strike: 13°   dip: 84°   rake: -44°
Quality: azimuthalGap: 142°   stationPolarityCount: 28   misfit: 0.15   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 16.04   fracAcc30degPref: 0.99   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1733993264972.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1733993264972
Event info last updated: 2024.12.12-09:46:01 UTC
Event first association/location: 2024.12.12-09:00:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA