Early-est:     Northern Molucca Sea    2025.12.14-12:03:30.89    q:A      mb:4.9    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: 4.9 [39]    Mwp: - [0]    Mwpd: - [0] Region: Northern Molucca Sea Origin Time: 2025.12.14-12:03:30.89 UTC Hypocenter: lat: 1.92°  lon: 126.53°  [+/-12km]    depth: 98km  [+/-19km] Location Quality: qualityCode:  A     stdErr: 1.4s   assocPhases: 75   usedPhases: 36 minDist: 8.6°   maxDist: 147.1°   AzGap: 90°   2ndAzGap: 130°   atten: -1.03 [+/-0.19] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 12km   azMaxHorUnc: 74° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 74°   majorAxisPlunge: 66°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 253°   intermediateAxisPlunge: 24°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [26]    Td: 3.0Xs [1]    Td*T50Ex: - [0]    To: 2.5s [20] 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: ~60km    Molucca Sea / Sunda [subduction zone]: distance: ~200km 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 (60km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        98km        98km        98km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 64°   dip: 34°   rake: 71° Nodal Plane 2: strike: 266°   dip: 58°   rake: 102° Quality: azimuthalGap: -1°   stationPolarityCount: 35   misfitWeightCount: 11.3   misfit: 0.16   stationDistributionRatio: 0.51   meanDistP: 42.6   meanDistT: 32.4   qualityCode: D 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: 182°   dip: 27°   rake: 144° Nodal Plane 2: strike: 305°   dip: 75°   rake: 68° Quality: azimuthalGap: 90°   stationPolarityCount: 35   misfit: 0.29   stationDistributionRatio: 0.76   rmsAngDiffAccPref: 39.49   fracAcc30degPref: 0.44   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: nan° Nodal Plane 2: strike: nan°   dip: nan°   rake: nan° 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: nan° Nodal Plane 2: strike: nan°   dip: nan°   rake: nan° 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/1765713810898
Event info last updated: 2025.12.14-13:04:02 UTC
Event first association/location: 2025.12.14-12:10:30 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI