Early-est:     Off East Coast of Kamchatka    2025.08.03-15:06:13.60    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754233577252.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754233577252.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754233577252.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* [31]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.03-15:06:13.60 UTC
Hypocenter: lat: 52.11°  lon: 159.59°  [+/-13km]    depth: 52km  [+/-18km]
Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 54   usedPhases: 37
minDist: 1.1°   maxDist: 85.1°   AzGap: 163°   2ndAzGap: 225°   atten: -1.31 [+/-0.40]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 13km   azMaxHorUnc: 177°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 160°   majorAxisPlunge: 77°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 359°   intermediateAxisPlunge: 13°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [23]    Td: 0.9Xs [1]    Td*T50Ex: - [0]    To: 3.0s [21]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~90km
   North America / Pacific [subduction zone]: distance: ~450km
   Okhotsk / North America [subduction zone]: distance: ~450km
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 (90km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       52km
       52km
       52km
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.1754233577252.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 204°   dip: 52°   rake: -161°
Nodal Plane 2: strike: 102°   dip: 75°   rake: -40°
Quality: azimuthalGap: -1°   stationPolarityCount: 34   misfitWeightCount: 8.7   misfit: 0.05   stationDistributionRatio: 0.47   meanDistP: 51.2   meanDistT: 42.8   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754233577252.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.1754233577252.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):
Nodal Plane 1: strike: 205°   dip: 64°   rake: 172°
Nodal Plane 2: strike: 298°   dip: 83°   rake: 26°
Quality: azimuthalGap: 84°   stationPolarityCount: 35   misfit: 0.26   stationDistributionRatio: 0.73   rmsAngDiffAccPref: 5.10   fracAcc30degPref: 1.00   qualityCode: B
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754233577252.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754233577252
Event info last updated: 2025.08.03-16:05:01 UTC
Event first association/location: 2025.08.03-15:13:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA