Early-est:     North Island, New Zealand    2024.12.20-09:20:12.35    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734686412138.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734686412138.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734686412138.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: - [0]    Mwp: - [0]    Mwpd: - [0]
Region: North Island, New Zealand
Origin Time: 2024.12.20-09:20:12.35 UTC
Hypocenter: lat: -39.93°  lon: 175.12°  [+/-6km]    depth: 71km  [+/-9km]
Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 16   usedPhases: 10
minDist: 1.1°   maxDist: 149.9°   AzGap: 77°   2ndAzGap: 140°   atten: -2.40 [+/-0.28]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 5km   maxHorUnc: 6km   azMaxHorUnc: 98°
68%ConfEllipsoid:   semiMajorAxisLength: 9km   majorAxisAzimuth: 291°   majorAxisPlunge: 70°   semiIntermediateAxisLength: 7km   intermediateAxisAzimuth: 93°   intermediateAxisPlunge: 20°   semiMinorAxisLength: 6km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 24%
T50Ex: - [0]    Td: -s [0]    Td*T50Ex: - [0]    To: -s [0]
Closest plate boundaries:
   Kermadec - Australia [continental transform fault]: distance: ~80km
   Kermadec / Pacific [subduction zone]: distance: ~230km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (230km)
 no
 no
Prob underwater:
 24%
 24%
 24%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       71km
       71km
       71km
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.1734686412138.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 336°   dip: 48°   rake: 158°
Nodal Plane 2: strike: 81°   dip: 74°   rake: 44°
Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 7.2   misfit: 0.00   stationDistributionRatio: 0.51   meanDistP: 39.3   meanDistT: 37.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734686412138.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.1734686412138.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 344°   dip: 79°   rake: 154°
Nodal Plane 2: strike: 80°   dip: 65°   rake: 12°
Quality: azimuthalGap: 106°   stationPolarityCount: 10   misfit: 0.00   stationDistributionRatio: 0.49   rmsAngDiffAccPref: 42.05   fracAcc30degPref: 0.33   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734686412138.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734686412138
Event info last updated: 2024.12.20-10:19:00 UTC
Event first association/location: 2024.12.20-09:23:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA