Early-est:     Cook Strait, New Zealand    2026.02.08-14:27:30.12    q:B      mb:-    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

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

Earthquake Details: Magnitude: mb: 5.2X [1]    Mwp: - [0]    Mwpd: - [0] Region: Cook Strait, New Zealand Origin Time: 2026.02.08-14:27:30.12 UTC Hypocenter: lat: -40.68°  lon: 174.07°  [+/-8km]    depth: 67km  [+/-16km] Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 12   usedPhases: 9 minDist: 0.8°   maxDist: 83.8°   AzGap: 72°   2ndAzGap: 119°   atten: -0.47 [+/-0.70] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 7km   maxHorUnc: 8km   azMaxHorUnc: 93° 68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 354°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 10km   intermediateAxisAzimuth: 92°   intermediateAxisPlunge: 1°   semiMinorAxisLength: 9km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 98% T50Ex: 0.7X [3]    Td: -s [0]    Td*T50Ex: - [0]    To: 92.8Xs [3] Closest plate boundaries:    Kermadec - Australia [continental convergent boundary]: distance: ~70km    Australia - Pacific [continental transform fault]: distance: ~170km    Kermadec / Pacific [subduction zone]: distance: ~190km    Australia \ Pacific [subduction zone]: distance: ~570km    Pacific / Australia [subduction zone]: distance: ~750km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (190km)  YES (70km)  no Prob underwater:  98%  98%  98% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        67km        67km        67km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 182°   dip: 50°   rake: 10° Nodal Plane 2: strike: 85°   dip: 82°   rake: 139° Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 7.1   misfit: 0.12   stationDistributionRatio: 0.49   meanDistP: 54.4   meanDistT: 54.3   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 245°   dip: 23°   rake: 56° Nodal Plane 2: strike: 101°   dip: 71°   rake: 103° Quality: azimuthalGap: 63°   stationPolarityCount: 9   misfit: 0.44   stationDistributionRatio: 0.39   rmsAngDiffAccPref: 54.01   fracAcc30degPref: 0.19   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1770560845318
Event info last updated: 2026.02.08-15:26:00 UTC
Event first association/location: 2026.02.08-14:29:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA