Early-est:     Banda Sea    2024.12.13-14:05:16.01    q:B      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:0.2     fmamp_polarity:./hypo.1734098716303.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1734098716303.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1734098716303.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* [16]    Mwp: 4.4X [1]    Mwpd: 4.9Xinv [1]
Region: Banda Sea
Origin Time: 2024.12.13-14:05:16.01 UTC
Hypocenter: lat: -6.98°  lon: 129.90°  [+/-15km]    depth: 121km  [+/-17km]
Location Quality: qualityCode:  B     stdErr: 1.4s   assocPhases: 27   usedPhases: 13
minDist: 4.7°   maxDist: 115.8°   AzGap: 89°   2ndAzGap: 150°   atten: -1.74 [+/-0.33]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 15km   azMaxHorUnc: 140°
68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 318°   majorAxisPlunge: 35°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 157°   intermediateAxisPlunge: 53°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [12]    Td: 0.3s [4]    Td*T50Ex: 0.2 [4]    To: 11.8s [12]
Closest plate boundaries:
   Banda Sea - Timor [continental convergent boundary]: distance: ~50km
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:
   0.2
   0.2
   0.2
Td*To:
     3.5
     3.5
     3.5
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       121km
       121km
       121km
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.1734098716303.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 68°   dip: 24°   rake: 158°
Nodal Plane 2: strike: 178°   dip: 81°   rake: 67°
Quality: azimuthalGap: -1°   stationPolarityCount: 16   misfitWeightCount: 5.9   misfit: 0.00   stationDistributionRatio: 0.34   meanDistP: 47.8   meanDistT: 47.2   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1734098716303.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.1734098716303.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 77°   dip: 33°   rake: 162°
Nodal Plane 2: strike: 182°   dip: 80°   rake: 58°
Quality: azimuthalGap: 88°   stationPolarityCount: 16   misfit: 0.10   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 9.92   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1734098716303.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1734098716303
Event info last updated: 2024.12.13-15:04:04 UTC
Event first association/location: 2024.12.13-14:12:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA