Early-est:     Timor Region    2026.09.26-13:38:45.29    q:C      mb:4.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1790429925092.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1790429925092.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1790429925092.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: 4.3* [8]    Mwp: - [0]    Mwpd: - [0]
Region: Timor Region
Origin Time: 2026.09.26-13:38:45.29 UTC
Hypocenter: lat: -9.88°  lon: 124.98°  [+/-49km]    depth: 293km  [+/-35km]
Location Quality: qualityCode:  C     stdErr: 2.1s   assocPhases: 15   usedPhases: 12
minDist: 6.7°   maxDist: 54.3°   AzGap: 156°   2ndAzGap: 247°   atten: -0.86 [+/-0.39]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 17km   maxHorUnc: 49km   azMaxHorUnc: 132°
68%ConfEllipsoid:   semiMajorAxisLength: 68km   majorAxisAzimuth: 132°   majorAxisPlunge: 26°   semiIntermediateAxisLength: 22km   intermediateAxisAzimuth: 26°   intermediateAxisPlunge: 30°   semiMinorAxisLength: 20km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.5 [9]    Td: 0.3Xs [1]    Td*T50Ex: - [0]    To: 9.7s [9]
Closest plate boundaries:
   Timor - Australia [oceanic transform fault]: distance: ~40km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 no
 YES (40km)
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       293km
       293km
       293km
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.1790429925092.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 40°   dip: 34°   rake: -172°
Nodal Plane 2: strike: 303°   dip: 85°   rake: -56°
Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 6.1   misfit: 0.04   stationDistributionRatio: 0.51   meanDistP: 43.8   meanDistT: 39.2   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1790429925092.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.1790429925092.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 31°   dip: 57°   rake: 153°
Nodal Plane 2: strike: 136°   dip: 68°   rake: 36°
Quality: azimuthalGap: 90°   stationPolarityCount: 12   misfit: 0.27   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 35.40   fracAcc30degPref: 0.55   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1790429925092.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1790429925092
Event info last updated: 2026.09.26-14:37:01 UTC
Event first association/location: 2026.09.26-13:48:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA