Early-est:     Ryukyu Islands, Japan    2025.08.06-00:56:44.80    q:C      mb:-    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: 4.3X [2]    Mwp: 4.9X [1]    Mwpd: - [0] Region: Ryukyu Islands, Japan Origin Time: 2025.08.06-00:56:44.80 UTC Hypocenter: lat: 27.89°  lon: 128.06°  [+/-14km]    depth: 59km  [+/-24km] Location Quality: qualityCode:  C     stdErr: 1.3s   assocPhases: 11   usedPhases: 7 minDist: 1.1°   maxDist: 163.1°   AzGap: 206°   2ndAzGap: 217°   atten: -0.54 [+/-0.79] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 14km   azMaxHorUnc: 91° 68%ConfEllipsoid:   semiMajorAxisLength: 25km   majorAxisAzimuth: 215°   majorAxisPlunge: 66°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 112°   intermediateAxisPlunge: 6°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5X [3]    Td: -s [0]    Td*T50Ex: - [0]    To: 10.1Xs [3] Closest plate boundaries:    Yangtze - Okinawa [continental rift boundary]: distance: ~20km    Okinawa / Philippine Sea [subduction zone]: distance: ~220km Subduction geometry:    Zone: Ryukyu: 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 (220km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        59km        59km        59km 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):    (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
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):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 0°   stationPolarityCount: 4   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: F Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754441804803
Event info last updated: 2025.08.06-01:55:00 UTC
Event first association/location: 2025.08.06-01:32:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA