Early-est:     Eastern Sea of Japan    2024.12.12-11:47:30.20    q:B      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: - [0]    Mwpd: - [0] Region: Eastern Sea of Japan Origin Time: 2024.12.12-11:47:30.20 UTC Hypocenter: lat: 39.47°  lon: 137.31°  [+/-16km]    depth: 392km  [+/-24km] Location Quality: qualityCode:  B     stdErr: 1.0s   assocPhases: 10   usedPhases: 9 minDist: 3.0°   maxDist: 52.3°   AzGap: 100°   2ndAzGap: 169°   atten: -0.61 [+/-1.14] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 16km   azMaxHorUnc: 93° 68%ConfEllipsoid:   semiMajorAxisLength: 24km   majorAxisAzimuth: 23°   majorAxisPlunge: 88°   semiIntermediateAxisLength: 20km   intermediateAxisAzimuth: 273°   intermediateAxisPlunge: 1°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.0X [1]    Td: -s [0]    Td*T50Ex: - [0]    To: 0.6Xs [1] Closest plate boundaries:    Okhotsk - Amur [oceanic convergent boundary]: distance: ~50km Subduction geometry:    Zone: Kamchatka/Kurils/Japan: 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)  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        392km        392km        392km 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: 59°   dip: 31°   rake: -6° Nodal Plane 2: strike: 155°   dip: 87°   rake: -121° Quality: azimuthalGap: -1°   stationPolarityCount: 8   misfitWeightCount: 4.2   misfit: 0.00   stationDistributionRatio: 0.35   meanDistP: 46.4   meanDistT: 50.7   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: 157°   dip: 50°   rake: 173° Nodal Plane 2: strike: 251°   dip: 85°   rake: 40° Quality: azimuthalGap: 103°   stationPolarityCount: 8   misfit: 0.25   stationDistributionRatio: 0.78   rmsAngDiffAccPref: 46.24   fracAcc30degPref: 0.32   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1734004048201
Event info last updated: 2024.12.12-12:46:00 UTC
Event first association/location: 2024.12.12-11:51:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA