Early-est:     Sunda Strait, Indonesia    2024.12.20-18:22:41.89    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:0.2     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: 5.0* [53]    Mwp: 4.9X [2]    Mwpd: 5.4Xinv [1] Region: Sunda Strait, Indonesia Origin Time: 2024.12.20-18:22:41.89 UTC Hypocenter: lat: -6.36°  lon: 105.07°  [+/-33km]    depth: 71km  [+/-50km] Location Quality: qualityCode:  B     stdErr: 1.5s   assocPhases: 102   usedPhases: 75 minDist: 2.9°   maxDist: 148.0°   AzGap: 44°   2ndAzGap: 62°   atten: -1.11 [+/-0.27] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 21km   maxHorUnc: 33km   azMaxHorUnc: 25° 68%ConfEllipsoid:   semiMajorAxisLength: 54km   majorAxisAzimuth: 31°   majorAxisPlunge: 60°   semiIntermediateAxisLength: 35km   intermediateAxisAzimuth: 196°   intermediateAxisPlunge: 29°   semiMinorAxisLength: 26km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [38]    Td: 0.6s [5]    Td*T50Ex: 0.2 [5]    To: 2.6s [37] Closest plate boundaries:    Sunda / Australia [subduction zone]: distance: ~210km 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?:  YES (210km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.2    0.2    0.2 Td*To:      1.6      1.6      1.6 Mwp magnitude:        -        -        - Hypocenter depth:        71km        71km        71km 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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 36°   dip: 9°   rake: -43° Nodal Plane 2: strike: 168°   dip: 84°   rake: -97° Quality: azimuthalGap: -1°   stationPolarityCount: 53   misfitWeightCount: 13.8   misfit: 0.16   stationDistributionRatio: 0.54   meanDistP: 44.3   meanDistT: 29.2   qualityCode: C 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): Nodal Plane 1: strike: 119°   dip: 83°   rake: -162° Nodal Plane 2: strike: 27°   dip: 72°   rake: -8° Quality: azimuthalGap: 43°   stationPolarityCount: 53   misfit: 0.34   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 15.80   fracAcc30degPref: 0.96   qualityCode: B Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734718958528
Event info last updated: 2024.12.20-19:21:00 UTC
Event first association/location: 2024.12.20-18:27:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA