Early-est:     Aru Islands Region, Indonesia    2024.12.17-23:29:29.63    q:C      mb:4.6*    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: 4.6* [8]    Mwp: - [0]    Mwpd: - [0] Region: Aru Islands Region, Indonesia Origin Time: 2024.12.17-23:29:29.63 UTC Hypocenter: lat: -6.19°  lon: 133.16°  [+/-13km]    depth: 9km  [+/-12km] Location Quality: qualityCode:  C     stdErr: 4.0s   assocPhases: 11   usedPhases: 9 minDist: 3.4°   maxDist: 25.0°   AzGap: 145°   2ndAzGap: 278°   atten: -1.78 [+/-0.63] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 13km   azMaxHorUnc: 104° 68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 284°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 15°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 12km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.7 [6]    Td: -s [0]    Td*T50Ex: - [0]    To: 67.8s [6] Closest plate boundaries:    Banda Sea - Australia [continental transform fault]: distance: ~40km    Banda Sea - Timor [continental convergent boundary]: distance: ~80km    Timor - Australia [continental rift boundary]: distance: ~80km    Birds Head - Banda Sea [oceanic convergent boundary]: distance: ~170km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  YES (80km)  YES (40km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        9km        9km        9km 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: 115°   dip: 19°   rake: 128° Nodal Plane 2: strike: 255°   dip: 75°   rake: 78° Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 4.6   misfit: 0.07   stationDistributionRatio: 0.37   meanDistP: 46.5   meanDistT: 46.8   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):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 278°   stationPolarityCount: 8   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734478170891
Event info last updated: 2024.12.18-00:28:00 UTC
Event first association/location: 2024.12.17-23:35:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA