Early-est:     Northern Molucca Sea    2019.10.04-00:45:58.15    q:B      mb:4.5    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 4.5 [12]    Mwp: 4.2X [2]    Mwpd: - [0] Region: Northern Molucca Sea Origin Time: 2019.10.04-00:45:58.15 UTC Hypocenter: lat: 1.53°  lon: 125.73°  [+/-15km]    depth: 59km  [+/-18km] Location Quality: qualityCode:  B     stdErr: 1.2s   assocPhases: 59   usedPhases: 19 minDist: 1.8°   maxDist: 155.0°   AzGap: 146°   2ndAzGap: 178°   atten: -1.66 [+/-0.23] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 15km   azMaxHorUnc: 34° 68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 217°   majorAxisPlunge: 44°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 22°   intermediateAxisPlunge: 46°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [8]    Td: 1.7Xs [1]    Td*T50Ex: - [0]    To: 7.9s [4] Closest plate boundaries:    Molucca Sea \ Sunda [subduction zone]: distance: ~70km    Molucca Sea \ Birds Head [subduction zone]: distance: ~70km    Birds Head / Sunda [subduction zone]: distance: ~80km    Molucca Sea / Sunda [subduction zone]: distance: ~150km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (70km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        59km        59km        59km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 143°   dip: 14°   rake: -172° Nodal Plane 2: strike: 46°   dip: 88°   rake: -76° Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 9.0   misfit: 0.12   stationDistributionRatio: 0.52   meanDistP: 25.2   meanDistT: 43.1   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 177°   dip: 26°   rake: -150° Nodal Plane 2: strike: 59°   dip: 78°   rake: -67° Quality: azimuthalGap: 72°   stationPolarityCount: 20   misfit: 0.22   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 41.13   fracAcc30degPref: 0.47   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp

Event ID: smi:KOERI/ee/event/1570149957164
Event info last updated: 2019.10.04-01:46:09 UTC
Event first association/location: 2019.10.04-00:52:04 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI