Early-est:     North Island, New Zealand    2026.10.02-13:57:17.07    q:A      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1790949430413.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1790949430413.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1790949430413.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: 5.1X [3]    Mwp: 4.8X [2]    Mwpd: - [0]
Region: North Island, New Zealand
Origin Time: 2026.10.02-13:57:17.07 UTC
Hypocenter: lat: -39.09°  lon: 174.25°  [+/-4km]    depth: 16km  [+/-5km]
Location Quality: qualityCode:  A     stdErr: 0.6s   assocPhases: 15   usedPhases: 9
minDist: 0.7°   maxDist: 80.7°   AzGap: 135°   2ndAzGap: 183°   atten: -2.04 [+/-0.20]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 3km   maxHorUnc: 4km   azMaxHorUnc: 119°
68%ConfEllipsoid:   semiMajorAxisLength: 6km   majorAxisAzimuth: 109°   majorAxisPlunge: 46°   semiIntermediateAxisLength: 4km   intermediateAxisAzimuth: 352°   intermediateAxisPlunge: 24°   semiMinorAxisLength: 4km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 1%
T50Ex: 1.0X [2]    Td: -s [0]    Td*T50Ex: - [0]    To: 123.3Xs [2]
Closest plate boundaries:
   Kermadec - Australia [continental transform fault]: distance: ~120km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 no
Prob underwater:
 1%
 1%
 1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       16km
       16km
       16km
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.1790949430413.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 91°   dip: 25°   rake: 41°
Nodal Plane 2: strike: 323°   dip: 74°   rake: 109°
Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 5.2   misfit: 0.04   stationDistributionRatio: 0.44   meanDistP: 47.5   meanDistT: 52.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1790949430413.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.1790949430413.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 158°   dip: 68°   rake: 156°
Nodal Plane 2: strike: 257°   dip: 68°   rake: 24°
Quality: azimuthalGap: 132°   stationPolarityCount: 10   misfit: 0.15   stationDistributionRatio: 0.76   rmsAngDiffAccPref: 47.20   fracAcc30degPref: 0.32   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1790949430413.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1790949430413
Event info last updated: 2026.10.02-14:56:00 UTC
Event first association/location: 2026.10.02-13:59:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA