Early-est:     Off East Coast of Kamchatka    2025.08.01-16:33:23.08    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754066005233.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754066005233.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754066005233.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* [41]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.01-16:33:23.08 UTC
Hypocenter: lat: 52.42°  lon: 160.49°  [+/-34km]    depth: 5km  [+/-39km]
Location Quality: qualityCode:  B     stdErr: 1.6s   assocPhases: 95   usedPhases: 50
minDist: 1.3°   maxDist: 139.8°   AzGap: 149°   2ndAzGap: 150°   atten: -1.20 [+/-0.30]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 26km   maxHorUnc: 34km   azMaxHorUnc: 144°
68%ConfEllipsoid:   semiMajorAxisLength: 42km   majorAxisAzimuth: 329°   majorAxisPlunge: 25°   semiIntermediateAxisLength: 38km   intermediateAxisAzimuth: 110°   intermediateAxisPlunge: 59°   semiMinorAxisLength: 32km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [31]    Td: 1.1Xs [2]    Td*T50Ex: - [0]    To: 3.5s [27]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~40km
   North America / Pacific [subduction zone]: distance: ~390km
   Okhotsk / North America [subduction zone]: distance: ~390km
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 (40km)
 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.1754066005233.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 341°   dip: 34°   rake: 137°
Nodal Plane 2: strike: 109°   dip: 67°   rake: 64°
Quality: azimuthalGap: -1°   stationPolarityCount: 45   misfitWeightCount: 8.3   misfit: 0.16   stationDistributionRatio: 0.56   meanDistP: 44.5   meanDistT: 42.7   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754066005233.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.1754066005233.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 128°   dip: 89°   rake: 169°
Nodal Plane 2: strike: 218°   dip: 79°   rake: 1°
Quality: azimuthalGap: 148°   stationPolarityCount: 44   misfit: 0.39   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 48.45   fracAcc30degPref: 0.44   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754066005233.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754066005233
Event info last updated: 2025.08.01-17:32:03 UTC
Event first association/location: 2025.08.01-16:43:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA