Early-est:     Banda Sea    2024.12.17-21:41:08.01    q:A      mb:5.2*    Mwp:5.3    Mwpd:-    Td*T50Ex:0.4     fmamp_polarity:./hypo.1734471668139.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734471668139.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734471668139.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: 5.2* [45]    Mwp: 5.3 [5]    Mwpd: 5.5Xinv [5]
Region: Banda Sea
Origin Time: 2024.12.17-21:41:08.01 UTC
Hypocenter: lat: -6.82°  lon: 130.23°  [+/-12km]    depth: 107km  [+/-10km]
Location Quality: qualityCode:  A     stdErr: 1.0s   assocPhases: 100   usedPhases: 61
minDist: 4.4°   maxDist: 146.0°   AzGap: 42°   2ndAzGap: 54°   atten: -1.27 [+/-0.22]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 8km   maxHorUnc: 12km   azMaxHorUnc: 109°
68%ConfEllipsoid:   semiMajorAxisLength: 15km   majorAxisAzimuth: 108°   majorAxisPlunge: 18°   semiIntermediateAxisLength: 10km   intermediateAxisAzimuth: 355°   intermediateAxisPlunge: 51°   semiMinorAxisLength: 9km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [40]    Td: 0.7s [10]    Td*T50Ex: 0.4 [10]    To: 2.4s [39]
Closest plate boundaries:
   Banda Sea - Timor [continental convergent boundary]: distance: ~30km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (30km)
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   0.4
   0.4
   0.4
Td*To:
     1.7
     1.7
     1.7
Mwp magnitude:
       5.3
       5.3
       5.3
Hypocenter depth:
       107km
       107km
       107km
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.1734471668139.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 45°   dip: 61°   rake: 3°
Nodal Plane 2: strike: 314°   dip: 88°   rake: 151°
Quality: azimuthalGap: -1°   stationPolarityCount: 50   misfitWeightCount: 16.0   misfit: 0.16   stationDistributionRatio: 0.47   meanDistP: 41.0   meanDistT: 32.1   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734471668139.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.1734471668139.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 296°   dip: 69°   rake: 170°
Nodal Plane 2: strike: 30°   dip: 80°   rake: 21°
Quality: azimuthalGap: 64°   stationPolarityCount: 50   misfit: 0.32   stationDistributionRatio: 0.75   rmsAngDiffAccPref: 14.41   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734471668139.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734471668139
Event info last updated: 2024.12.17-22:40:03 UTC
Event first association/location: 2024.12.17-21:45:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA