Early-est:     Seram, Indonesia    2025.12.12-14:49:58.10    q:B      mb:4.5    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1765550998101.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1765550998101.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1765550998101.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1765550998101.mech.fmamp_amp_mwp.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.5 [14]    Mwp: - [0]    Mwpd: - [0]
Region: Seram, Indonesia
Origin Time: 2025.12.12-14:49:58.10 UTC
Hypocenter: lat: -3.46°  lon: 129.97°  [+/-15km]    depth: 16km  [+/-19km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 53   usedPhases: 11
minDist: 9.6°   maxDist: 75.1°   AzGap: 89°   2ndAzGap: 100°   atten: -0.76 [+/-0.70]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 15km   azMaxHorUnc: 67°
68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 52°   majorAxisPlunge: 52°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 309°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 17km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 95%
T50Ex: 0.4 [8]    Td: 64.2Xs [1]    Td*T50Ex: - [0]    To: 9.5s [5]
Closest plate boundaries:
   Birds Head \ Banda Sea [subduction zone]: distance: ~110km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (110km)
 no
 no
Prob underwater:
 95%
 95%
 95%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       16km
       16km
       16km
Slab depth at epicenter:
       n/a
       -
       -
./hypo.1765550998101.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 65°   dip: 31°   rake: 21°
Nodal Plane 2: strike: 317°   dip: 80°   rake: 119°
Quality: azimuthalGap: -1°   stationPolarityCount: 16   misfitWeightCount: 6.4   misfit: 0.09   stationDistributionRatio: 0.31   meanDistP: 32.4   meanDistT: 39.4   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1765550998101.mech.fmamp_polarity.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 311°   dip: 72°   rake: 100°
Nodal Plane 2: strike: 102°   dip: 21°   rake: 62°
Quality: azimuthalGap: 89°   stationPolarityCount: 16   misfit: 0.32   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 44.20   fracAcc30degPref: 0.43   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1765550998101.mech.hash.mechanism.jpg
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
./hypo.1765550998101.mech.fmamp_amp_aref.mechanism.jpg
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
./hypo.1765550998101.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:KOERI/ee/event/1765550998101
Event info last updated: 2025.12.12-15:50:03 UTC
Event first association/location: 2025.12.12-15:09:03 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI