Early-est:     South of Kermadec Islands    2026.06.22-19:46:09.04    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782157567188.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782157567188.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782157567188.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 5.0* [11]    Mwp: - [0]    Mwpd: - [0]
Region: South of Kermadec Islands
Origin Time: 2026.06.22-19:46:09.04 UTC
Hypocenter: lat: -32.21°  lon: -177.42°  [+/-21km]    depth: 40km  [+/-24km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 28   usedPhases: 20
minDist: 3.0°   maxDist: 168.5°   AzGap: 167°   2ndAzGap: 217°   atten: -0.85 [+/-0.40]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 21km   azMaxHorUnc: 124°
68%ConfEllipsoid:   semiMajorAxisLength: 30km   majorAxisAzimuth: 124°   majorAxisPlunge: 38°   semiIntermediateAxisLength: 19km   intermediateAxisAzimuth: 303°   intermediateAxisPlunge: 52°   semiMinorAxisLength: 15km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [10]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.2s [8]
Closest plate boundaries:
   Kermadec / Pacific [subduction zone]: distance: ~20km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (20km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       40km
       40km
       40km
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)
./hypo.1782157567188.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 101°   dip: 31°   rake: 67°
Nodal Plane 2: strike: 308°   dip: 61°   rake: 103°
Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 4.3   misfit: 0.00   stationDistributionRatio: 0.51   meanDistP: 44.2   meanDistT: 48.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782157567188.mech.fmamp_polarity.mechanism.jpg
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
./hypo.1782157567188.mech.fmamp_polarity_waveform.mechanism.jpg
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: 226°   stationPolarityCount: 12   misfit: 0.99   stationDistributionRatio: 0.47   rmsAngDiffAccPref: 37.90   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782157567188.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782157567188
Event info last updated: 2026.06.22-20:45:07 UTC
Event first association/location: 2026.06.22-19:52:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA