Early-est:     Fiji Islands Region    2026.02.13-14:37:31.72    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770993452093.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770993452093.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770993452093.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: 4.8* [28]    Mwp: - [0]    Mwpd: - [0]
Region: Fiji Islands Region
Origin Time: 2026.02.13-14:37:31.72 UTC
Hypocenter: lat: -17.89°  lon: -178.56°  [+/-34km]    depth: 565km  [+/-26km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 58   usedPhases: 42
minDist: 3.2°   maxDist: 150.7°   AzGap: 103°   2ndAzGap: 194°   atten: -1.23 [+/-0.29]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 30km   maxHorUnc: 34km   azMaxHorUnc: 68°
68%ConfEllipsoid:   semiMajorAxisLength: 43km   majorAxisAzimuth: 245°   majorAxisPlunge: 10°   semiIntermediateAxisLength: 38km   intermediateAxisAzimuth: 153°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 25km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.0 [22]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [21]
Closest plate boundaries:
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:
       565km
       565km
       565km
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.1770993452093.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 57°   dip: 49°   rake: 175°
Nodal Plane 2: strike: 150°   dip: 87°   rake: 41°
Quality: azimuthalGap: -1°   stationPolarityCount: 31   misfitWeightCount: 9.8   misfit: 0.09   stationDistributionRatio: 0.66   meanDistP: 35.2   meanDistT: 44.0   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770993452093.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.1770993452093.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 72°   dip: 45°   rake: -172°
Nodal Plane 2: strike: 336°   dip: 85°   rake: -45°
Quality: azimuthalGap: 127°   stationPolarityCount: 32   misfit: 0.16   stationDistributionRatio: 0.54   rmsAngDiffAccPref: 38.88   fracAcc30degPref: 0.52   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770993452093.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770993452093
Event info last updated: 2026.02.13-15:36:00 UTC
Event first association/location: 2026.02.13-14:45:04 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA