Early-est:     Fiji Islands Region    2026.02.09-03:00:08.01    q:C      mb:4.4*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 4.4* [9]    Mwp: - [0]    Mwpd: - [0] Region: Fiji Islands Region Origin Time: 2026.02.09-03:00:08.01 UTC Hypocenter: lat: -19.46°  lon: -176.69°  [+/-16km]    depth: 338km  [+/-17km] Location Quality: qualityCode:  C     stdErr: 2.7s   assocPhases: 14   usedPhases: 12 minDist: 5.3°   maxDist: 121.6°   AzGap: 159°   2ndAzGap: 237°   atten: -1.18 [+/-0.41] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 16km   azMaxHorUnc: 1° 68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 0°   majorAxisPlunge: 26°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 201°   intermediateAxisPlunge: 62°   semiMinorAxisLength: 15km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0 [4]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.0s [4] Closest plate boundaries:    Niuafo'ou - Australia [oceanic transform fault]: distance: ~30km    Tonga - Australia [oceanic spreading ridge]: distance: ~70km    Tonga - Niuafo'ou [continental convergent boundary]: distance: ~70km    Tonga / Pacific [subduction zone]: distance: ~360km 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?:  YES (360km)  YES (70km)  YES (30km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        338km        338km        338km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 55°   dip: 76°   rake: -12° Nodal Plane 2: strike: 148°   dip: 78°   rake: -165° Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 3.9   misfit: 0.02   stationDistributionRatio: 0.45   meanDistP: 51.4   meanDistT: 48.4   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
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: 198°   stationPolarityCount: 12   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1770606008051
Event info last updated: 2026.02.09-03:59:01 UTC
Event first association/location: 2026.02.09-03:11:21 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA