Early-est:     Off East Coast of Kamchatka    2025.08.02-14:18:54.03    q:B      mb:5.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754144334054.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754144334054.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754144334054.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: 5.3* [36]    Mwp: 5.4X [1]    Mwpd: 6.5Xinv [1]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.02-14:18:54.03 UTC
Hypocenter: lat: 51.79°  lon: 159.06°  [+/-10km]    depth: 23km  [+/-13km]
Location Quality: qualityCode:  B     stdErr: 1.3s   assocPhases: 69   usedPhases: 44
minDist: 18.8°   maxDist: 145.3°   AzGap: 189°   2ndAzGap: 197°   atten: -1.07 [+/-0.42]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 9km   maxHorUnc: 10km   azMaxHorUnc: 112°
68%ConfEllipsoid:   semiMajorAxisLength: 14km   majorAxisAzimuth: 293°   majorAxisPlunge: 52°   semiIntermediateAxisLength: 12km   intermediateAxisAzimuth: 112°   intermediateAxisPlunge: 38°   semiMinorAxisLength: 11km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [25]    Td: 9.4Xs [1]    Td*T50Ex: - [0]    To: 1.1s [17]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~110km
   North America / Pacific [subduction zone]: distance: ~500km
   Okhotsk / North America [subduction zone]: distance: ~500km
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:
       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)
./hypo.1754144334054.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 72°   dip: 23°   rake: -72°
Nodal Plane 2: strike: 232°   dip: 68°   rake: -98°
Quality: azimuthalGap: -1°   stationPolarityCount: 39   misfitWeightCount: 5.1   misfit: 0.05   stationDistributionRatio: 0.42   meanDistP: 45.8   meanDistT: 45.4   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754144334054.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.1754144334054.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (No solution available)
Nodal Plane 1: strike: 999°   dip: 99°   rake: 999°
Nodal Plane 2: strike: 324°   dip: 13°   rake: 135°
Quality: azimuthalGap: 193°   stationPolarityCount: 39   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754144334054.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754144334054
Event info last updated: 2025.08.02-15:17:00 UTC
Event first association/location: 2025.08.02-14:32:05 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA