Early-est:     Off East Coast of Kamchatka    2025.08.01-22:51:32.75    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754088695619.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754088695619.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754088695619.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* [61]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.01-22:51:32.75 UTC
Hypocenter: lat: 52.39°  lon: 160.79°  [+/-29km]    depth: 5km  [+/-46km]
Location Quality: qualityCode:  B     stdErr: 1.8s   assocPhases: 107   usedPhases: 71
minDist: 1.4°   maxDist: 147.3°   AzGap: 94°   2ndAzGap: 113°   atten: -1.27 [+/-0.34]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 27km   maxHorUnc: 29km   azMaxHorUnc: 153°
68%ConfEllipsoid:   semiMajorAxisLength: 47km   majorAxisAzimuth: 324°   majorAxisPlunge: 77°   semiIntermediateAxisLength: 35km   intermediateAxisAzimuth: 157°   intermediateAxisPlunge: 12°   semiMinorAxisLength: 34km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [61]    Td: 1.4Xs [1]    Td*T50Ex: - [0]    To: 22.3s [54]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~30km
   North America / Pacific [subduction zone]: distance: ~380km
   Okhotsk / North America [subduction zone]: distance: ~380km
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 (30km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       5km
       5km
       5km
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.1754088695619.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 50°   dip: 40°   rake: 74°
Nodal Plane 2: strike: 250°   dip: 52°   rake: 103°
Quality: azimuthalGap: -1°   stationPolarityCount: 62   misfitWeightCount: 8.0   misfit: 0.17   stationDistributionRatio: 0.28   meanDistP: 50.7   meanDistT: 50.7   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754088695619.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.1754088695619.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 308°   dip: 81°   rake: -173°
Nodal Plane 2: strike: 217°   dip: 83°   rake: -9°
Quality: azimuthalGap: 125°   stationPolarityCount: 61   misfit: 0.37   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 45.20   fracAcc30degPref: 0.57   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754088695619.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754088695619
Event info last updated: 2025.08.01-23:50:01 UTC
Event first association/location: 2025.08.01-22:58:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA