Early-est:     Off East Coast of Kamchatka    2025.08.01-06:48:21.77    q:A      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754030904294.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754030904294.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754030904294.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: 5.0* [72]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.01-06:48:21.77 UTC
Hypocenter: lat: 52.80°  lon: 159.51°  [+/-12km]    depth: 67km  [+/-14km]
Location Quality: qualityCode:  A     stdErr: 1.4s   assocPhases: 114   usedPhases: 89
minDist: 0.6°   maxDist: 159.6°   AzGap: 75°   2ndAzGap: 83°   atten: -0.69 [+/-0.31]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 12km   azMaxHorUnc: 114°
68%ConfEllipsoid:   semiMajorAxisLength: 16km   majorAxisAzimuth: 102°   majorAxisPlunge: 36°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 338°   intermediateAxisPlunge: 38°   semiMinorAxisLength: 12km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [40]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [39]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~120km
   North America / Pacific [subduction zone]: distance: ~400km
   Okhotsk / North America [subduction zone]: distance: ~400km
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 (120km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       67km
       67km
       67km
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.1754030904294.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 54°   dip: 16°   rake: -141°
Nodal Plane 2: strike: 286°   dip: 80°   rake: -77°
Quality: azimuthalGap: -1°   stationPolarityCount: 72   misfitWeightCount: 11.8   misfit: 0.19   stationDistributionRatio: 0.49   meanDistP: 40.3   meanDistT: 31.6   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754030904294.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.1754030904294.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 333°   dip: 80°   rake: -161°
Nodal Plane 2: strike: 240°   dip: 71°   rake: -11°
Quality: azimuthalGap: 60°   stationPolarityCount: 72   misfit: 0.38   stationDistributionRatio: 0.77   rmsAngDiffAccPref: 18.10   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754030904294.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754030904294
Event info last updated: 2025.08.01-07:47:00 UTC
Event first association/location: 2025.08.01-06:55:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA