Early-est:     Off E. Coast of S. Island, N.Z.    2025.08.03-12:13:49.60    q:C      mb:-    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: 5.3X [1]    Mwp: 5.0X [2]    Mwpd: - [0] Region: Off E. Coast of S. Island, N.Z. Origin Time: 2025.08.03-12:13:49.60 UTC Hypocenter: lat: -42.43°  lon: 178.28°  [+/-32km]    depth: 11km  [+/-38km] Location Quality: qualityCode:  C     stdErr: 2.8s   assocPhases: 10   usedPhases: 6 minDist: 2.3°   maxDist: 163.0°   AzGap: 134°   2ndAzGap: 267°   atten: -9.90 [+/-0.00] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 21km   maxHorUnc: 32km   azMaxHorUnc: 149° 68%ConfEllipsoid:   semiMajorAxisLength: 44km   majorAxisAzimuth: 145°   majorAxisPlunge: 41°   semiIntermediateAxisLength: 32km   intermediateAxisAzimuth: 343°   intermediateAxisPlunge: 48°   semiMinorAxisLength: 26km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.5Xs [1] Closest plate boundaries:    Kermadec / Pacific [subduction zone]: distance: ~120km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (120km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        11km        11km        11km 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):    (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
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: 140°   stationPolarityCount: 7   misfit: 0.99   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 5.69   fracAcc30degPref: 0.00   qualityCode: F Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754223233947
Event info last updated: 2025.08.03-13:12:01 UTC
Event first association/location: 2025.08.03-12:27:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA