Early-est:     Flores Region, Indonesia    2026.08.14-21:58:23.47    q:A      mb:5.8    Mwp:7.4*    Mwpd:7.6    Td*T50Ex:12.1     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: 5.8 [91]    Mwp: 7.4* [88]    Mwpd: 7.6 [90] Region: Flores Region, Indonesia Origin Time: 2026.08.14-21:58:23.47 UTC Hypocenter: lat: -8.37°  lon: 121.34°  [+/-18km]    depth: 18km  [+/-20km] Location Quality: qualityCode:  A     stdErr: 1.4s   assocPhases: 385   usedPhases: 133 minDist: 0.9°   maxDist: 159.1°   AzGap: 32°   2ndAzGap: 36°   atten: -1.44 [+/-0.15] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 18km   azMaxHorUnc: 37° 68%ConfEllipsoid:   semiMajorAxisLength: 22km   majorAxisAzimuth: 73°   majorAxisPlunge: 34°   semiIntermediateAxisLength: 22km   intermediateAxisAzimuth: 185°   intermediateAxisPlunge: 29°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 1.4 [92]    Td: 8.9s [35]    Td*T50Ex: 12.1 [35]    To: 88.9s [92] Closest plate boundaries:    Banda Sea - Timor [oceanic convergent boundary]: distance: ~40km    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 (40km)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    12.1    12.1    12.1 Td*To:      791.2      791.2      791.2 Mwp magnitude:        7.4*        7.4*        7.4* Hypocenter depth:        18km        18km        18km 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): Nodal Plane 1: strike: 266°   dip: 53°   rake: 47° Nodal Plane 2: strike: 143°   dip: 54°   rake: 131° Quality: azimuthalGap: -1°   stationPolarityCount: 100   misfitWeightCount: 25.1   misfit: 0.11   stationDistributionRatio: 0.60   meanDistP: 18.2   meanDistT: 19.5   qualityCode: B Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 270°   dip: 54°   rake: 43° Nodal Plane 2: strike: 151°   dip: 57°   rake: 135° Quality: azimuthalGap: -1°   stationPolarityCount: 34   misfitWeightCount: 10.7   misfit: 0.01   stationDistributionRatio: 0.40   meanDistP: 36.5   meanDistT: 43.3   qualityCode: C 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: 134°   dip: 50°   rake: 123° Nodal Plane 2: strike: 268°   dip: 50°   rake: 57° Quality: azimuthalGap: 31°   stationPolarityCount: 100   misfit: 0.16   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 32.22   fracAcc30degPref: 0.69   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1786744699038
Event info last updated: 2026.08.14-22:57:03 UTC
Event first association/location: 2026.08.14-22:00:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA