Early-est:     Northwest of New Zealand    2025.01.28-09:54:01.42    q:B      mb:5.1    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1738058041415.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1738058041415.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1738058041415.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1738058041415.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: 5.1 [15]    Mwp: - [0]    Mwpd: - [0]
Region: Northwest of New Zealand
Origin Time: 2025.01.28-09:54:01.42 UTC
Hypocenter: lat: -32.99°  lon: 166.71°  [+/-7km]    depth: 10km  [+/-6km]
Location Quality: qualityCode:  B     stdErr: 2.1s   assocPhases: 19   usedPhases: 14
minDist: 4.1°   maxDist: 46.9°   AzGap: 77°   2ndAzGap: 98°   atten: -2.25 [+/-0.29]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 6km   maxHorUnc: 7km   azMaxHorUnc: 62°
68%ConfEllipsoid:   semiMajorAxisLength: 9km   majorAxisAzimuth: 242°   majorAxisPlunge: 1°   semiIntermediateAxisLength: 7km   intermediateAxisAzimuth: 332°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 6km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.7 [15]    Td: 0.4Xs [2]    Td*T50Ex: - [0]    To: 35.5Xs [3]
Closest plate boundaries:
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:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       10km
       10km
       10km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1738058041415.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 18°   dip: 51°   rake: -149°
Nodal Plane 2: strike: 267°   dip: 66°   rake: -43°
Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 7.0   misfit: 0.07   stationDistributionRatio: 0.55   meanDistP: 35.9   meanDistT: 45.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1738058041415.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 139°   dip: 83°   rake: 95°
Nodal Plane 2: strike: 284°   dip: 9°   rake: 56°
Quality: azimuthalGap: 95°   stationPolarityCount: 12   misfit: 0.13   stationDistributionRatio: 0.80   rmsAngDiffAccPref: 40.98   fracAcc30degPref: 0.50   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1738058041415.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.1738058041415.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.1738058041415.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1738058041415
Event info last updated: 2025.01.28-10:54:43 UTC
Event first association/location: 2025.01.28-10:32:19 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI