Early-est:     Flores Region, Indonesia    2026.08.17-07:20:31.73    q:C      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

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

Earthquake Details: Magnitude: mb: 4.8* [9]    Mwp: 4.2X [1]    Mwpd: 6.1Xinv [1] Region: Flores Region, Indonesia Origin Time: 2026.08.17-07:20:31.73 UTC Hypocenter: lat: -8.47°  lon: 121.27°  [+/-30km]    depth: 9km  [+/-28km] Location Quality: qualityCode:  C     stdErr: 2.0s   assocPhases: 39   usedPhases: 11 minDist: 1.0°   maxDist: 70.5°   AzGap: 87°   2ndAzGap: 123°   atten: -0.75 [+/-0.61] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 21km   maxHorUnc: 30km   azMaxHorUnc: 179° 68%ConfEllipsoid:   semiMajorAxisLength: 38km   majorAxisAzimuth: 1°   majorAxisPlunge: 15°   semiIntermediateAxisLength: 29km   intermediateAxisAzimuth: 112°   intermediateAxisPlunge: 52°   semiMinorAxisLength: 24km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 48% T50Ex: 0.4 [9]    Td: 0.7Xs [1]    Td*T50Ex: - [0]    To: 12.5s [6] Closest plate boundaries:    Banda Sea - Timor [oceanic convergent boundary]: distance: ~50km    Sunda - Timor [continental transform fault]: distance: ~80km    Banda Sea - Sunda [continental transform fault]: distance: ~110km Subduction geometry:    Zone: Sumatra-Java: DEBUG: error: [Errno 2] No such file or directory: 'gmt'    Slab depth at epicenter: error: evaluating slab depth: -999.9 Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  YES (50km)  YES (80km) Prob underwater:  48%  48%  48% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        9km        9km        9km 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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 120°   dip: 59°   rake: 149° Nodal Plane 2: strike: 227°   dip: 64°   rake: 35° Quality: azimuthalGap: -1°   stationPolarityCount: 10   misfitWeightCount: 6.2   misfit: 0.08   stationDistributionRatio: 0.39   meanDistP: 47.5   meanDistT: 51.6   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 288°   dip: 74°   rake: 164° Nodal Plane 2: strike: 22°   dip: 75°   rake: 17° Quality: azimuthalGap: 87°   stationPolarityCount: 10   misfit: 0.23   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 47.23   fracAcc30degPref: 0.38   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786951232253
Event info last updated: 2026.08.17-08:19:00 UTC
Event first association/location: 2026.08.17-07:24:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA