Early-est:     Kermadec Islands Region    2026.06.23-02:26:19.71    q:B      mb:5.3*    Mwp:-    Mwpd:-    Td*T50Ex:0.9     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: 5.3* [57]    Mwp: 5.7X [1]    Mwpd: 5.8Xinv [1] Region: Kermadec Islands Region Origin Time: 2026.06.23-02:26:19.71 UTC Hypocenter: lat: -27.13°  lon: -177.27°  [+/-19km]    depth: 126km  [+/-21km] Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 167   usedPhases: 116 minDist: 2.2°   maxDist: 175.0°   AzGap: 68°   2ndAzGap: 80°   atten: -1.61 [+/-0.16] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 19km   azMaxHorUnc: 167° 68%ConfEllipsoid:   semiMajorAxisLength: 24km   majorAxisAzimuth: 177°   majorAxisPlunge: 34°   semiIntermediateAxisLength: 21km   intermediateAxisAzimuth: 292°   intermediateAxisPlunge: 32°   semiMinorAxisLength: 19km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [40]    Td: 2.2s [5]    Td*T50Ex: 0.9 [5]    To: 2.2s [39] Closest plate boundaries:    Kermadec - Australia [oceanic spreading ridge]: distance: ~80km    Kermadec / Pacific [subduction zone]: distance: ~160km 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 (160km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.9    0.9    0.9 Td*To:      4.8      4.8      4.8 Mwp magnitude:        -        -        - Hypocenter depth:        126km        126km        126km 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: 13°   dip: 43°   rake: 91° Nodal Plane 2: strike: 191°   dip: 47°   rake: 89° Quality: azimuthalGap: -1°   stationPolarityCount: 51   misfitWeightCount: 13.6   misfit: 0.21   stationDistributionRatio: 0.40   meanDistP: 46.7   meanDistT: 54.0   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):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 287°   dip: 44°   rake: -145° Nodal Plane 2: strike: 170°   dip: 66°   rake: -52° Quality: azimuthalGap: 80°   stationPolarityCount: 51   misfit: 0.28   stationDistributionRatio: 0.65   rmsAngDiffAccPref: 38.85   fracAcc30degPref: 0.50   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1782181581717
Event info last updated: 2026.06.23-03:25:00 UTC
Event first association/location: 2026.06.23-02:30:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA