Early-est:     Northern Molucca Sea    2024.12.20-21:51:49.60    q:C      mb:4.4*    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: 4.4* [6]    Mwp: 4.8X [1]    Mwpd: - [0] Region: Northern Molucca Sea Origin Time: 2024.12.20-21:51:49.60 UTC Hypocenter: lat: 1.65°  lon: 126.16°  [+/-22km]    depth: 180km  [+/-16km] Location Quality: qualityCode:  C     stdErr: 1.0s   assocPhases: 33   usedPhases: 9 minDist: 1.5°   maxDist: 132.7°   AzGap: 88°   2ndAzGap: 157°   atten: -1.63 [+/-0.34] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 22km   azMaxHorUnc: 105° 68%ConfEllipsoid:   semiMajorAxisLength: 27km   majorAxisAzimuth: 285°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 189°   intermediateAxisPlunge: 59°   semiMinorAxisLength: 15km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.7X [3]    Td: -s [0]    Td*T50Ex: - [0]    To: 3.5Xs [3] Closest plate boundaries:    Birds Head / Sunda [subduction zone]: distance: ~30km    Molucca Sea \ Sunda [subduction zone]: distance: ~30km    Molucca Sea \ Birds Head [subduction zone]: distance: ~30km    Sunda - Birds Head [oceanic convergent boundary]: distance: ~110km    Molucca Sea / Sunda [subduction zone]: distance: ~160km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (30km)  YES (110km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        180km        180km        180km 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: 79°   dip: 10°   rake: -40° Nodal Plane 2: strike: 209°   dip: 84°   rake: -98° Quality: azimuthalGap: -1°   stationPolarityCount: 9   misfitWeightCount: 3.7   misfit: 0.07   stationDistributionRatio: 0.60   meanDistP: 49.1   meanDistT: 48.1   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: 205°   dip: 73°   rake: -79° Nodal Plane 2: strike: 351°   dip: 20°   rake: -122° Quality: azimuthalGap: 108°   stationPolarityCount: 9   misfit: 0.36   stationDistributionRatio: 0.81   rmsAngDiffAccPref: 51.16   fracAcc30degPref: 0.22   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734731509600
Event info last updated: 2024.12.20-22:50:01 UTC
Event first association/location: 2024.12.20-22:03:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA