Early-est:     South of Kermadec Islands    2026.06.26-06:19:40.62    q:B      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782454774843.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782454774843.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782454774843.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: 4.6* [14]    Mwp: - [0]    Mwpd: - [0]
Region: South of Kermadec Islands
Origin Time: 2026.06.26-06:19:40.62 UTC
Hypocenter: lat: -33.11°  lon: 178.78°  [+/-17km]    depth: 184km  [+/-13km]
Location Quality: qualityCode:  B     stdErr: 2.1s   assocPhases: 29   usedPhases: 18
minDist: 4.8°   maxDist: 151.7°   AzGap: 226°   2ndAzGap: 251°   atten: -0.91 [+/-0.36]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 17km   azMaxHorUnc: 88°
68%ConfEllipsoid:   semiMajorAxisLength: 22km   majorAxisAzimuth: 268°   majorAxisPlunge: 1°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 360°   intermediateAxisPlunge: 53°   semiMinorAxisLength: 12km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [9]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.2s [6]
Closest plate boundaries:
   Kermadec - Australia [oceanic spreading ridge]: distance: ~80km
   Kermadec / Pacific [subduction zone]: distance: ~290km
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 (290km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       184km
       184km
       184km
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.1782454774843.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 123°   dip: 18°   rake: 159°
Nodal Plane 2: strike: 233°   dip: 84°   rake: 73°
Quality: azimuthalGap: -1°   stationPolarityCount: 17   misfitWeightCount: 5.1   misfit: 0.07   stationDistributionRatio: 0.32   meanDistP: 43.4   meanDistT: 49.2   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782454774843.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.1782454774843.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 115°   dip: 19°   rake: 162°
Nodal Plane 2: strike: 221°   dip: 84°   rake: 72°
Quality: azimuthalGap: 121°   stationPolarityCount: 17   misfit: 0.20   stationDistributionRatio: 0.53   rmsAngDiffAccPref: 43.85   fracAcc30degPref: 0.44   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782454774843.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782454774843
Event info last updated: 2026.06.26-07:18:03 UTC
Event first association/location: 2026.06.26-06:28:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA