Early-est:     Buru, Indonesia    2025.01.30-02:18:36.17    q:B      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 [23]    Mwp: - [0]    Mwpd: - [0] Region: Buru, Indonesia Origin Time: 2025.01.30-02:18:36.17 UTC Hypocenter: lat: -3.07°  lon: 126.63°  [+/-11km]    depth: 101km  [+/-18km] Location Quality: qualityCode:  B     stdErr: 1.4s   assocPhases: 54   usedPhases: 27 minDist: 7.1°   maxDist: 152.2°   AzGap: 74°   2ndAzGap: 122°   atten: -0.73 [+/-0.23] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 11km   azMaxHorUnc: 61° 68%ConfEllipsoid:   semiMajorAxisLength: 18km   majorAxisAzimuth: 134°   majorAxisPlunge: 81°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 239°   intermediateAxisPlunge: 2°   semiMinorAxisLength: 12km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 44% T50Ex: 0.3 [14]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.1s [11] Closest plate boundaries:    Molucca Sea - Banda Sea [continental transform fault]: distance: ~100km    Molucca Sea - Birds Head [continental transform fault]: distance: ~190km    Birds Head - Banda Sea [continental convergent boundary]: distance: ~190km    Birds Head \ Banda Sea [subduction zone]: distance: ~210km    Molucca Sea \ Birds Head [subduction zone]: distance: ~320km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  YES (210km)  no  no Prob underwater:  44%  44%  44% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        101km        101km        101km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 41°   dip: 15°   rake: 119° Nodal Plane 2: strike: 191°   dip: 77°   rake: 83° Quality: azimuthalGap: -1°   stationPolarityCount: 27   misfitWeightCount: 8.0   misfit: 0.12   stationDistributionRatio: 0.47   meanDistP: 41.1   meanDistT: 36.8   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: 217°   dip: 81°   rake: 152° Nodal Plane 2: strike: 311°   dip: 62°   rake: 10° Quality: azimuthalGap: 72°   stationPolarityCount: 27   misfit: 0.38   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 44.38   fracAcc30degPref: 0.32   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/1738203517640
Event info last updated: 2025.01.30-03:19:01 UTC
Event first association/location: 2025.01.30-02:34:32 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI