Early-est:     Flores Region, Indonesia    2026.09.26-19:37:07.68    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* [15]    Mwp: - [0]    Mwpd: - [0] Region: Flores Region, Indonesia Origin Time: 2026.09.26-19:37:07.68 UTC Hypocenter: lat: -8.28°  lon: 120.31°  [+/-26km]    depth: 49km  [+/-35km] Location Quality: qualityCode:  C     stdErr: 1.7s   assocPhases: 42   usedPhases: 17 minDist: 3.3°   maxDist: 154.1°   AzGap: 116°   2ndAzGap: 126°   atten: -0.82 [+/-0.39] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 20km   maxHorUnc: 26km   azMaxHorUnc: 61° 68%ConfEllipsoid:   semiMajorAxisLength: 38km   majorAxisAzimuth: 211°   majorAxisPlunge: 57°   semiIntermediateAxisLength: 31km   intermediateAxisAzimuth: 81°   intermediateAxisPlunge: 23°   semiMinorAxisLength: 23km Tsunamigeneic Assesment: Discriminants: Prob Underwater: 44% T50Ex: 0.5 [14]    Td: -s [0]    Td*T50Ex: - [0]    To: 14.8s [13] Closest plate boundaries:    Sunda - Timor [continental transform fault]: distance: ~30km    Banda Sea - Sunda [continental transform fault]: distance: ~60km    Banda Sea - Timor [oceanic convergent boundary]: distance: ~60km    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 (60km)  YES (30km) Prob underwater:  44%  44%  44% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        49km        49km        49km 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: 60°   dip: 44°   rake: -11° Nodal Plane 2: strike: 158°   dip: 83°   rake: -133° Quality: azimuthalGap: -1°   stationPolarityCount: 17   misfitWeightCount: 10.6   misfit: 0.18   stationDistributionRatio: 0.41   meanDistP: 53.1   meanDistT: 53.9   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: 296°   dip: 77°   rake: -170° Nodal Plane 2: strike: 203°   dip: 81°   rake: -13° Quality: azimuthalGap: 125°   stationPolarityCount: 17   misfit: 0.32   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 50.04   fracAcc30degPref: 0.25   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1790451426045
Event info last updated: 2026.09.26-20:36:01 UTC
Event first association/location: 2026.09.26-19:43:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA