Early-est:     Fiji Islands Region    2026.02.14-06:18:41.67    q:C      mb:4.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771049923108.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771049923108.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771049923108.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: 4.3* [11]    Mwp: - [0]    Mwpd: - [0]
Region: Fiji Islands Region
Origin Time: 2026.02.14-06:18:41.67 UTC
Hypocenter: lat: -20.68°  lon: -177.68°  [+/-43km]    depth: 534km  [+/-27km]
Location Quality: qualityCode:  C     stdErr: 0.9s   assocPhases: 15   usedPhases: 13
minDist: 5.0°   maxDist: 143.3°   AzGap: 175°   2ndAzGap: 203°   atten: -1.41 [+/-0.14]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 43km   azMaxHorUnc: 171°
68%ConfEllipsoid:   semiMajorAxisLength: 56km   majorAxisAzimuth: 351°   majorAxisPlunge: 21°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 155°   intermediateAxisPlunge: 68°   semiMinorAxisLength: 17km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.0 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.6s [4]
Closest plate boundaries:
   Tonga - Australia [oceanic spreading ridge]: distance: ~150km
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:
       534km
       534km
       534km
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.1771049923108.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 5°   dip: 10°   rake: 94°
Nodal Plane 2: strike: 181°   dip: 80°   rake: 89°
Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 3.8   misfit: 0.09   stationDistributionRatio: 0.32   meanDistP: 51.7   meanDistT: 50.2   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771049923108.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.1771049923108.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 152°   dip: 64°   rake: 107°
Nodal Plane 2: strike: 297°   dip: 31°   rake: 59°
Quality: azimuthalGap: 131°   stationPolarityCount: 12   misfit: 0.38   stationDistributionRatio: 0.47   rmsAngDiffAccPref: 46.39   fracAcc30degPref: 0.31   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771049923108.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771049923108
Event info last updated: 2026.02.14-07:17:01 UTC
Event first association/location: 2026.02.14-06:26:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA