Early-est:     Southeast of Loyalty Islands    2026.06.21-08:33:48.32    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: 5.2X [2]    Mwp: - [0]    Mwpd: - [0] Region: Southeast of Loyalty Islands Origin Time: 2026.06.21-08:33:48.32 UTC Hypocenter: lat: -21.16°  lon: 169.22°  [+/-13km]    depth: 280km  [+/-14km] Location Quality: qualityCode:  C     stdErr: 0.7s   assocPhases: 8   usedPhases: 6 minDist: 1.2°   maxDist: 73.4°   AzGap: 178°   2ndAzGap: 310°   atten: -9.90 [+/-0.00] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 13km   azMaxHorUnc: 18° 68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 202°   majorAxisPlunge: 29°   semiIntermediateAxisLength: 13km   intermediateAxisAzimuth: 320°   intermediateAxisPlunge: 40°   semiMinorAxisLength: 12km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: 8.7Xs [1] Closest plate boundaries:    New Hebrides / Australia [subduction zone]: distance: ~40km Subduction geometry:    Zone: Santa Cruz Islands/Vanuatu/Loyalty Islands: 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 (40km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        280km        280km        280km 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: 72°   stationPolarityCount: 2   misfit: 0.99   stationDistributionRatio: 0.74   rmsAngDiffAccPref: 28.56   fracAcc30degPref: 0.00   qualityCode: F Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1782030828298
Event info last updated: 2026.06.21-09:32:01 UTC
Event first association/location: 2026.06.21-08:40:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA