Early-est:     Flores Region, Indonesia    2026.10.04-10:13:09.21    q:C      mb:4.7*    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: 4.7* [13]    Mwp: - [0]    Mwpd: - [0] Region: Flores Region, Indonesia Origin Time: 2026.10.04-10:13:09.21 UTC Hypocenter: lat: -8.28°  lon: 120.42°  [+/-15km]    depth: 9km  [+/-14km] Location Quality: qualityCode:  C     stdErr: 1.1s   assocPhases: 31   usedPhases: 15 minDist: 3.3°   maxDist: 154.0°   AzGap: 136°   2ndAzGap: 147°   atten: -0.39 [+/-0.30] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 15km   azMaxHorUnc: 50° 68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 50°   majorAxisPlunge: 16°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 319°   intermediateAxisPlunge: 2°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 44% T50Ex: 0.5 [10]    Td: 2.3Xs [1]    Td*T50Ex: - [0]    To: 11.3s [9] Closest plate boundaries:    Sunda - Timor [continental transform fault]: distance: ~20km    Banda Sea - Sunda [continental transform fault]: distance: ~50km    Banda Sea - Timor [oceanic convergent boundary]: distance: ~50km    Sunda / Australia [subduction zone]: distance: ~360km 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 (20km) Prob underwater:  44%  44%  44% 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: 36°   dip: 64°   rake: 177° Nodal Plane 2: strike: 127°   dip: 87°   rake: 26° Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 6.9   misfit: 0.00   stationDistributionRatio: 0.32   meanDistP: 48.2   meanDistT: 47.6   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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 189°   dip: 34°   rake: 110° Nodal Plane 2: strike: 345°   dip: 58°   rake: 77° Quality: azimuthalGap: 135°   stationPolarityCount: 10   misfit: 0.20   stationDistributionRatio: 0.80   rmsAngDiffAccPref: 40.03   fracAcc30degPref: 0.52   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1791108790386
Event info last updated: 2026.10.04-11:12:00 UTC
Event first association/location: 2026.10.04-10:21:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA