Early-est:     North Island, New Zealand    2025.11.10-18:51:34.74    q:B      mb:4.7    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1762800693966.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1762800693966.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1762800693966.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1762800693966.mech.fmamp_amp_mwp.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.7 [15]    Mwp: - [0]    Mwpd: - [0]
Region: North Island, New Zealand
Origin Time: 2025.11.10-18:51:34.74 UTC
Hypocenter: lat: -38.92°  lon: 174.81°  [+/-13km]    depth: 224km  [+/-13km]
Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 71   usedPhases: 29
minDist: 1.9°   maxDist: 158.7°   AzGap: 65°   2ndAzGap: 103°   atten: -1.89 [+/-0.54]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 13km   azMaxHorUnc: 94°
68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 94°   majorAxisPlunge: 4°   semiIntermediateAxisLength: 13km   intermediateAxisAzimuth: 198°   intermediateAxisPlunge: 73°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.4 [14]    Td: 0.5Xs [1]    Td*T50Ex: - [0]    To: 3.6s [10]
Closest plate boundaries:
   Kermadec - Australia [continental transform fault]: distance: ~80km
   Kermadec / Pacific [subduction zone]: distance: ~350km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (350km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       224km
       224km
       224km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1762800693966.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):
Nodal Plane 1: strike: 104°   dip: 6°   rake: -70°
Nodal Plane 2: strike: 264°   dip: 84°   rake: -92°
Quality: azimuthalGap: -1°   stationPolarityCount: 36   misfitWeightCount: 10.0   misfit: 0.15   stationDistributionRatio: 0.74   meanDistP: 24.2   meanDistT: 20.5   qualityCode: B
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1762800693966.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 89°   dip: 88°   rake: 97°
Nodal Plane 2: strike: 195°   dip: 7°   rake: 16°
Quality: azimuthalGap: 62°   stationPolarityCount: 36   misfit: 0.29   stationDistributionRatio: 0.52   rmsAngDiffAccPref: 29.13   fracAcc30degPref: 0.72   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1762800693966.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
./hypo.1762800693966.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp
./hypo.1762800693966.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1762800693966
Event info last updated: 2025.11.10-19:51:32 UTC
Event first association/location: 2025.11.10-18:59:37 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI