Early-est:     Off East Coast of Kamchatka    2025.08.01-18:53:15.21    q:B      mb:5.2*    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: 5.2* [49]    Mwp: - [0]    Mwpd: - [0] Region: Off East Coast of Kamchatka Origin Time: 2025.08.01-18:53:15.21 UTC Hypocenter: lat: 52.69°  lon: 161.34°  [+/-12km]    depth: 23km  [+/-14km] Location Quality: qualityCode:  B     stdErr: 1.4s   assocPhases: 88   usedPhases: 57 minDist: 22.9°   maxDist: 159.8°   AzGap: 94°   2ndAzGap: 102°   atten: -1.15 [+/-0.43] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 12km   azMaxHorUnc: 127° 68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 295°   majorAxisPlunge: 34°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 167°   intermediateAxisPlunge: 42°   semiMinorAxisLength: 11km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.3 [37]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.1s [37] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~20km    North America / Pacific [subduction zone]: distance: ~330km    Okhotsk / North America [subduction zone]: distance: ~330km 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?:  YES (20km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        23km        23km        23km 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: 59°   dip: 6°   rake: 70° Nodal Plane 2: strike: 259°   dip: 84°   rake: 92° Quality: azimuthalGap: -1°   stationPolarityCount: 50   misfitWeightCount: 7.8   misfit: 0.08   stationDistributionRatio: 0.31   meanDistP: 35.0   meanDistT: 47.2   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):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 94°   dip: 87°   rake: -126° Nodal Plane 2: strike: 0°   dip: 36°   rake: -5° Quality: azimuthalGap: 125°   stationPolarityCount: 50   misfit: 0.35   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 33.61   fracAcc30degPref: 0.56   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754074392850
Event info last updated: 2025.08.01-19:52:01 UTC
Event first association/location: 2025.08.01-19:06:06 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA