Early-est:     Tanimbar Islands Reg., Indonesia    2024.12.20-19:26:14.56    q:C      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734722776768.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734722776768.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734722776768.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: 5.1* [19]    Mwp: 4.8X [2]    Mwpd: 5.3Xinv [1]
Region: Tanimbar Islands Reg., Indonesia
Origin Time: 2024.12.20-19:26:14.56 UTC
Hypocenter: lat: -6.98°  lon: 132.07°  [+/-22km]    depth: 9km  [+/-72km]
Location Quality: qualityCode:  C     stdErr: 2.9s   assocPhases: 51   usedPhases: 24
minDist: 4.1°   maxDist: 149.3°   AzGap: 98°   2ndAzGap: 121°   atten: -1.08 [+/-0.22]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 17km   maxHorUnc: 22km   azMaxHorUnc: 88°
68%ConfEllipsoid:   semiMajorAxisLength: 72km   majorAxisAzimuth: 291°   majorAxisPlunge: 86°   semiIntermediateAxisLength: 27km   intermediateAxisAzimuth: 86°   intermediateAxisPlunge: 4°   semiMinorAxisLength: 21km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [18]    Td: 0.4Xs [3]    Td*T50Ex: - [0]    To: 33.1s [17]
Closest plate boundaries:
   Banda Sea - Timor [continental convergent boundary]: distance: ~40km
   Timor - Australia [continental rift boundary]: distance: ~40km
   Banda Sea - Australia [continental transform fault]: distance: ~80km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (40km)
 YES (80km)
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)
./hypo.1734722776768.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 113°   dip: 21°   rake: 75°
Nodal Plane 2: strike: 309°   dip: 70°   rake: 95°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 6.8   misfit: 0.10   stationDistributionRatio: 0.33   meanDistP: 41.5   meanDistT: 43.0   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734722776768.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.1734722776768.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 127°   dip: 29°   rake: 97°
Nodal Plane 2: strike: 299°   dip: 61°   rake: 86°
Quality: azimuthalGap: 97°   stationPolarityCount: 19   misfit: 0.16   stationDistributionRatio: 0.79   rmsAngDiffAccPref: 36.11   fracAcc30degPref: 0.55   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734722776768.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734722776768
Event info last updated: 2024.12.20-20:25:00 UTC
Event first association/location: 2024.12.20-19:31:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA