Early-est:     Banda Sea    2024.12.17-12:53:24.44    q:C      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1734440004983.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734440004983.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734440004983.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: 4.8* [12]    Mwp: - [0]    Mwpd: - [0]
Region: Banda Sea
Origin Time: 2024.12.17-12:53:24.44 UTC
Hypocenter: lat: -7.60°  lon: 127.62°  [+/-21km]    depth: 109km  [+/-16km]
Location Quality: qualityCode:  C     stdErr: 1.5s   assocPhases: 40   usedPhases: 14
minDist: 6.3°   maxDist: 163.0°   AzGap: 101°   2ndAzGap: 136°   atten: -0.93 [+/-0.34]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 21km   azMaxHorUnc: 120°
68%ConfEllipsoid:   semiMajorAxisLength: 26km   majorAxisAzimuth: 120°   majorAxisPlunge: 6°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 358°   intermediateAxisPlunge: 80°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 99%
T50Ex: 0.6 [8]    Td: 0.2Xs [2]    Td*T50Ex: - [0]    To: 26.8s [8]
Closest plate boundaries:
   Banda Sea - Timor [oceanic convergent boundary]: distance: ~50km
   Timor - Australia [oceanic transform fault]: 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 (50km)
 no
Prob underwater:
 99%
 99%
 99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       109km
       109km
       109km
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.1734440004983.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 111°   dip: 46°   rake: -157°
Nodal Plane 2: strike: 5°   dip: 74°   rake: -47°
Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 6.1   misfit: 0.00   stationDistributionRatio: 0.48   meanDistP: 40.4   meanDistT: 45.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734440004983.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.1734440004983.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 101°   dip: 54°   rake: -157°
Nodal Plane 2: strike: 357°   dip: 72°   rake: -38°
Quality: azimuthalGap: 126°   stationPolarityCount: 11   misfit: 0.19   stationDistributionRatio: 0.70   rmsAngDiffAccPref: 21.66   fracAcc30degPref: 0.96   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734440004983.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734440004983
Event info last updated: 2024.12.17-13:52:00 UTC
Event first association/location: 2024.12.17-13:00:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA