Early-est:     Northern Molucca Sea    2026.06.26-16:41:04.31    q:C      mb:4.6*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1782492058131.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1782492058131.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1782492058131.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.6* [15]    Mwp: - [0]    Mwpd: - [0]
Region: Northern Molucca Sea
Origin Time: 2026.06.26-16:41:04.31 UTC
Hypocenter: lat: 0.95°  lon: 126.39°  [+/-31km]    depth: 65km  [+/-42km]
Location Quality: qualityCode:  C     stdErr: 2.2s   assocPhases: 29   usedPhases: 16
minDist: 1.0°   maxDist: 83.5°   AzGap: 74°   2ndAzGap: 97°   atten: -0.70 [+/-0.37]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 31km   azMaxHorUnc: 167°
68%ConfEllipsoid:   semiMajorAxisLength: 50km   majorAxisAzimuth: 356°   majorAxisPlunge: 50°   semiIntermediateAxisLength: 29km   intermediateAxisAzimuth: 145°   intermediateAxisPlunge: 36°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [7]    Td: -s [0]    Td*T50Ex: - [0]    To: 12.4s [7]
Closest plate boundaries:
   Molucca Sea \ Sunda [subduction zone]: distance: ~30km
   Molucca Sea \ Birds Head [subduction zone]: distance: ~30km
   Birds Head / Sunda [subduction zone]: distance: ~80km
   Molucca Sea / Sunda [subduction zone]: distance: ~100km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (30km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       65km
       65km
       65km
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)
./hypo.1782492058131.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 149°   dip: 30°   rake: -36°
Nodal Plane 2: strike: 271°   dip: 73°   rake: -115°
Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 6.5   misfit: 0.01   stationDistributionRatio: 0.48   meanDistP: 45.2   meanDistT: 37.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1782492058131.mech.fmamp_polarity.mechanism.jpg
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
./hypo.1782492058131.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 167°   dip: 30°   rake: -17°
Nodal Plane 2: strike: 272°   dip: 82°   rake: -119°
Quality: azimuthalGap: 105°   stationPolarityCount: 11   misfit: 0.23   stationDistributionRatio: 0.76   rmsAngDiffAccPref: 38.58   fracAcc30degPref: 0.49   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1782492058131.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1782492058131
Event info last updated: 2026.06.26-17:40:00 UTC
Event first association/location: 2026.06.26-16:48:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA