Early-est:     Southern Molucca Sea    2024.12.21-15:26:58.96    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* [13]    Mwp: - [0]    Mwpd: 6.3Xinv [1] Region: Southern Molucca Sea Origin Time: 2024.12.21-15:26:58.96 UTC Hypocenter: lat: -0.63°  lon: 125.65°  [+/-39km]    depth: 86km  [+/-54km] Location Quality: qualityCode:  C     stdErr: 1.1s   assocPhases: 72   usedPhases: 8 minDist: 2.9°   maxDist: 144.5°   AzGap: 57°   2ndAzGap: 86°   atten: -0.85 [+/-0.14] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 26km   maxHorUnc: 39km   azMaxHorUnc: 137° 68%ConfEllipsoid:   semiMajorAxisLength: 67km   majorAxisAzimuth: 133°   majorAxisPlunge: 49°   semiIntermediateAxisLength: 33km   intermediateAxisAzimuth: 31°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 25km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [6]    Td: -s [0]    Td*T50Ex: - [0]    To: 4.2s [6] Closest plate boundaries:    Molucca Sea - Sunda [oceanic transform fault]: distance: ~50km    Molucca Sea / Sunda [subduction zone]: distance: ~50km    Molucca Sea - Birds Head [continental transform fault]: distance: ~50km    Molucca Sea \ Birds Head [subduction zone]: distance: ~50km    Molucca Sea \ Sunda [subduction zone]: distance: ~100km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (50km)  no  YES (50km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        86km        86km        86km 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: 286°   dip: 28°   rake: -79° Nodal Plane 2: strike: 93°   dip: 63°   rake: -96° Quality: azimuthalGap: -1°   stationPolarityCount: 16   misfitWeightCount: 5.7   misfit: 0.06   stationDistributionRatio: 0.50   meanDistP: 43.0   meanDistT: 49.5   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):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 85°   dip: 71°   rake: -103° Nodal Plane 2: strike: 300°   dip: 23°   rake: -57° Quality: azimuthalGap: 93°   stationPolarityCount: 16   misfit: 0.32   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 43.90   fracAcc30degPref: 0.34   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734794811499
Event info last updated: 2024.12.21-16:25:01 UTC
Event first association/location: 2024.12.21-15:32:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA