Early-est:     Near East Coast of Kamchatka    2025.08.06-07:15:10.91    q:C      mb:4.3*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754464510795.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754464510795.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754464510795.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: 4.3* [17]    Mwp: - [0]    Mwpd: - [0]
Region: Near East Coast of Kamchatka
Origin Time: 2025.08.06-07:15:10.91 UTC
Hypocenter: lat: 52.02°  lon: 158.58°  [+/-43km]    depth: 146km  [+/-33km]
Location Quality: qualityCode:  C     stdErr: 4.1s   assocPhases: 43   usedPhases: 22
minDist: 1.0°   maxDist: 145.0°   AzGap: 116°   2ndAzGap: 140°   atten: -1.73 [+/-0.60]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 27km   maxHorUnc: 43km   azMaxHorUnc: 15°
68%ConfEllipsoid:   semiMajorAxisLength: 56km   majorAxisAzimuth: 16°   majorAxisPlunge: 22°   semiIntermediateAxisLength: 34km   intermediateAxisAzimuth: 110°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 28km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.1 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.4s [4]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~150km
   North America / Pacific [subduction zone]: distance: ~510km
   Okhotsk / North America [subduction zone]: distance: ~510km
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 (150km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       146km
       146km
       146km
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.1754464510795.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 328°   dip: 44°   rake: -72°
Nodal Plane 2: strike: 124°   dip: 48°   rake: -106°
Quality: azimuthalGap: -1°   stationPolarityCount: 17   misfitWeightCount: 5.6   misfit: 0.04   stationDistributionRatio: 0.44   meanDistP: 45.8   meanDistT: 45.9   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754464510795.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.1754464510795.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 285°   dip: 37°   rake: -97°
Nodal Plane 2: strike: 113°   dip: 53°   rake: -85°
Quality: azimuthalGap: 139°   stationPolarityCount: 17   misfit: 0.19   stationDistributionRatio: 0.77   rmsAngDiffAccPref: 39.34   fracAcc30degPref: 0.47   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754464510795.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754464510795
Event info last updated: 2025.08.06-08:14:01 UTC
Event first association/location: 2025.08.06-07:27:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA