Early-est:     Off East Coast of Kamchatka    2025.08.03-19:38:06.80    q:B      mb:5.1*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754249891558.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754249891558.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754249891558.mech.hash.thumb.jpg

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details:
Magnitude: mb: 5.1* [57]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.03-19:38:06.80 UTC
Hypocenter: lat: 51.74°  lon: 159.10°  [+/-37km]    depth: 9km  [+/-38km]
Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 112   usedPhases: 65
minDist: 1.3°   maxDist: 146.4°   AzGap: 104°   2ndAzGap: 140°   atten: -1.09 [+/-0.33]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 27km   maxHorUnc: 37km   azMaxHorUnc: 134°
68%ConfEllipsoid:   semiMajorAxisLength: 48km   majorAxisAzimuth: 130°   majorAxisPlunge: 29°   semiIntermediateAxisLength: 35km   intermediateAxisAzimuth: 16°   intermediateAxisPlunge: 36°   semiMinorAxisLength: 32km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [59]    Td: 1.5Xs [1]    Td*T50Ex: - [0]    To: 2.4s [54]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~110km
   North America / Pacific [subduction zone]: distance: ~510km
   Okhotsk / North America [subduction zone]: distance: ~510km
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 (110km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       9km
       9km
       9km
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)
./hypo.1754249891558.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 275°   dip: 21°   rake: -2°
Nodal Plane 2: strike: 7°   dip: 89°   rake: -111°
Quality: azimuthalGap: -1°   stationPolarityCount: 61   misfitWeightCount: 8.5   misfit: 0.15   stationDistributionRatio: 0.34   meanDistP: 52.2   meanDistT: 52.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754249891558.mech.fmamp_polarity.mechanism.jpg
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
./hypo.1754249891558.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 341°   dip: 63°   rake: -170°
Nodal Plane 2: strike: 246°   dip: 81°   rake: -28°
Quality: azimuthalGap: 140°   stationPolarityCount: 60   misfit: 0.43   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 45.91   fracAcc30degPref: 0.50   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754249891558.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754249891558
Event info last updated: 2025.08.03-20:37:02 UTC
Event first association/location: 2025.08.03-19:45:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA