Early-est:     Off East Coast of Kamchatka    2025.08.03-21:44:10.32    q:C      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754257451056.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754257451056.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754257451056.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: 4.7* [15]    Mwp: - [0]    Mwpd: - [0]
Region: Off East Coast of Kamchatka
Origin Time: 2025.08.03-21:44:10.32 UTC
Hypocenter: lat: 52.64°  lon: 159.48°  [+/-25km]    depth: 62km  [+/-34km]
Location Quality: qualityCode:  C     stdErr: 0.9s   assocPhases: 37   usedPhases: 19
minDist: 0.6°   maxDist: 82.4°   AzGap: 222°   2ndAzGap: 225°   atten: -2.21 [+/-0.54]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 25km   azMaxHorUnc: 138°
68%ConfEllipsoid:   semiMajorAxisLength: 42km   majorAxisAzimuth: 316°   majorAxisPlunge: 49°   semiIntermediateAxisLength: 19km   intermediateAxisAzimuth: 160°   intermediateAxisPlunge: 38°   semiMinorAxisLength: 17km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 1.7 [6]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [5]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~110km
   North America / Pacific [subduction zone]: distance: ~410km
   Okhotsk / North America [subduction zone]: distance: ~410km
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:
       62km
       62km
       62km
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.1754257451056.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 161°   dip: 66°   rake: -23°
Nodal Plane 2: strike: 261°   dip: 69°   rake: -154°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 5.0   misfit: 0.09   stationDistributionRatio: 0.59   meanDistP: 51.1   meanDistT: 47.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754257451056.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.1754257451056.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 255°   dip: 81°   rake: -149°
Nodal Plane 2: strike: 159°   dip: 59°   rake: -11°
Quality: azimuthalGap: 118°   stationPolarityCount: 20   misfit: 0.35   stationDistributionRatio: 0.75   rmsAngDiffAccPref: 31.79   fracAcc30degPref: 0.71   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754257451056.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754257451056
Event info last updated: 2025.08.03-22:43:00 UTC
Event first association/location: 2025.08.03-21:56:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA