Early-est:     South of Fiji Islands    2025.04.09-17:25:11.13    q:B      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:0.0     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: 5.1* [39]    Mwp: - [0]    Mwpd: - [0] Region: South of Fiji Islands Origin Time: 2025.04.09-17:25:11.13 UTC Hypocenter: lat: -25.78°  lon: -178.00°  [+/-31km]    depth: 362km  [+/-32km] Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 74   usedPhases: 43 minDist: 8.8°   maxDist: 158.2°   AzGap: 147°   2ndAzGap: 216°   atten: -1.38 [+/-0.26] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 31km   azMaxHorUnc: 73° 68%ConfEllipsoid:   semiMajorAxisLength: 39km   majorAxisAzimuth: 73°   majorAxisPlunge: 19°   semiIntermediateAxisLength: 32km   intermediateAxisAzimuth: 254°   intermediateAxisPlunge: 71°   semiMinorAxisLength: 19km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0 [32]    Td: 1.6s [5]    Td*T50Ex: 0.0 [5]    To: 3.1s [32] Closest plate boundaries:    Kermadec - Australia [continental rift boundary]: distance: ~30km    Kermadec - Tonga [continental rift boundary]: distance: ~200km    Tonga - Australia [continental rift boundary]: distance: ~200km    Kermadec / Pacific [subduction zone]: distance: ~260km    Tonga / Pacific [subduction zone]: distance: ~380km 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 (260km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.0    0.0    0.0 Td*To:      5.0      5.0      5.0 Mwp magnitude:        -        -        - Hypocenter depth:        362km        362km        362km 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: 275°   dip: 35°   rake: 59° Nodal Plane 2: strike: 131°   dip: 60°   rake: 110° Quality: azimuthalGap: -1°   stationPolarityCount: 33   misfitWeightCount: 6.9   misfit: 0.25   stationDistributionRatio: 0.52   meanDistP: 55.1   meanDistT: 52.0   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: 185°   stationPolarityCount: 33   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/1744219512168
Event info last updated: 2025.04.09-18:24:00 UTC
Event first association/location: 2025.04.09-17:30:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA