Early-est:     Talaud Islands, Indonesia    2025.04.10-15:42:41.99    q:C      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: 4.4X [3]    Mwp: - [0]    Mwpd: - [0] Region: Talaud Islands, Indonesia Origin Time: 2025.04.10-15:42:41.99 UTC Hypocenter: lat: 3.26°  lon: 127.62°  [+/-12km]    depth: 115km  [+/-14km] Location Quality: qualityCode:  C     stdErr: 2.3s   assocPhases: 11   usedPhases: 8 minDist: 2.5°   maxDist: 147.8°   AzGap: 141°   2ndAzGap: 271°   atten: -1.52 [+/-0.76] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 12km   azMaxHorUnc: 25° 68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 209°   majorAxisPlunge: 35°   semiIntermediateAxisLength: 13km   intermediateAxisAzimuth: 308°   intermediateAxisPlunge: 13°   semiMinorAxisLength: 12km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.7X [3]    Td: -s [0]    Td*T50Ex: - [0]    To: 52.9Xs [2] Closest plate boundaries:    Sunda - Birds Head [continental convergent boundary]: distance: ~110km    Philippine Sea \ Sunda [subduction zone]: distance: ~130km    Birds Head / Sunda [subduction zone]: distance: ~130km    Molucca Sea \ Sunda [subduction zone]: distance: ~220km    Molucca Sea \ Birds Head [subduction zone]: distance: ~220km    Birds Head / Philippine Sea [subduction zone]: distance: ~300km    Molucca Sea / Sunda [subduction zone]: distance: ~390km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (130km)  YES (110km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        115km        115km        115km 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):    (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
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):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 0°   stationPolarityCount: 6   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: F Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1744299761992
Event info last updated: 2025.04.10-16:41:02 UTC
Event first association/location: 2025.04.10-15:56:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA