Early-est:     Ceram Sea    2026.02.14-03:09:50.77    q:C      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1771038588770.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1771038588770.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1771038588770.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: 4.8* [16]    Mwp: - [0]    Mwpd: - [0]
Region: Ceram Sea
Origin Time: 2026.02.14-03:09:50.77 UTC
Hypocenter: lat: -2.96°  lon: 128.13°  [+/-35km]    depth: 65km  [+/-35km]
Location Quality: qualityCode:  C     stdErr: 1.8s   assocPhases: 41   usedPhases: 20
minDist: 3.8°   maxDist: 163.6°   AzGap: 101°   2ndAzGap: 139°   atten: -0.91 [+/-0.29]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 18km   maxHorUnc: 35km   azMaxHorUnc: 21°
68%ConfEllipsoid:   semiMajorAxisLength: 52km   majorAxisAzimuth: 23°   majorAxisPlunge: 36°   semiIntermediateAxisLength: 24km   intermediateAxisAzimuth: 137°   intermediateAxisPlunge: 29°   semiMinorAxisLength: 18km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: 70%
T50Ex: 0.4 [11]    Td: -s [0]    Td*T50Ex: - [0]    To: 16.6s [11]
Closest plate boundaries:
   Molucca Sea - Banda Sea [continental transform fault]: distance: ~70km
   Birds Head - Banda Sea [continental convergent boundary]: distance: ~80km
   Birds Head \ Banda Sea [subduction zone]: distance: ~80km
   Molucca Sea - Birds Head [continental transform fault]: distance: ~140km
   Molucca Sea \ Birds Head [subduction zone]: distance: ~380km
Subduction geometry: none or not available
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (80km)
 YES (80km)
 YES (70km)
Prob underwater:
 70%
 70%
 70%
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.1771038588770.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 203°   dip: 28°   rake: 38°
Nodal Plane 2: strike: 79°   dip: 73°   rake: 113°
Quality: azimuthalGap: -1°   stationPolarityCount: 18   misfitWeightCount: 10.1   misfit: 0.15   stationDistributionRatio: 0.65   meanDistP: 39.0   meanDistT: 42.2   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1771038588770.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.1771038588770.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 158°   stationPolarityCount: 18   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1771038588770.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1771038588770
Event info last updated: 2026.02.14-04:08:01 UTC
Event first association/location: 2026.02.14-03:16:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA