Early-est:     Banda Sea    2026.02.10-17:49:57.53    q:B      mb:4.4*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770745797114.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770745797114.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770745797114.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: 4.4* [10]    Mwp: - [0]    Mwpd: - [0]
Region: Banda Sea
Origin Time: 2026.02.10-17:49:57.53 UTC
Hypocenter: lat: -6.98°  lon: 129.45°  [+/-14km]    depth: 130km  [+/-22km]
Location Quality: qualityCode:  B     stdErr: 0.9s   assocPhases: 19   usedPhases: 9
minDist: 4.9°   maxDist: 85.6°   AzGap: 84°   2ndAzGap: 149°   atten: -1.43 [+/-0.60]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 14km   azMaxHorUnc: 13°
68%ConfEllipsoid:   semiMajorAxisLength: 22km   majorAxisAzimuth: 360°   majorAxisPlunge: 68°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 201°   intermediateAxisPlunge: 21°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.6 [7]    Td: 0.2Xs [1]    Td*T50Ex: - [0]    To: 29.7s [7]
Closest plate boundaries:
   Banda Sea - Timor [continental convergent boundary]: distance: ~70km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 no
 YES (70km)
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       130km
       130km
       130km
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.1770745797114.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 250°   dip: 30°   rake: -87°
Nodal Plane 2: strike: 67°   dip: 60°   rake: -92°
Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 3.8   misfit: 0.00   stationDistributionRatio: 0.39   meanDistP: 48.2   meanDistT: 47.1   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770745797114.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.1770745797114.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 30°   dip: 83°   rake: -133°
Nodal Plane 2: strike: 293°   dip: 44°   rake: -10°
Quality: azimuthalGap: 113°   stationPolarityCount: 8   misfit: 0.10   stationDistributionRatio: 0.59   rmsAngDiffAccPref: 42.58   fracAcc30degPref: 0.41   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770745797114.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770745797114
Event info last updated: 2026.02.10-18:48:01 UTC
Event first association/location: 2026.02.10-17:55:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA