Early-est:     Komandorskiye Ostrova Region    2025.08.05-07:35:09.94    q:C      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754379310357.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754379310357.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754379310357.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* [11]    Mwp: - [0]    Mwpd: - [0]
Region: Komandorskiye Ostrova Region
Origin Time: 2025.08.05-07:35:09.94 UTC
Hypocenter: lat: 53.40°  lon: 168.55°  [+/-11km]    depth: 9km  [+/-13km]
Location Quality: qualityCode:  C     stdErr: 1.8s   assocPhases: 33   usedPhases: 13
minDist: 5.9°   maxDist: 80.5°   AzGap: 131°   2ndAzGap: 181°   atten: -1.19 [+/-0.61]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 11km   azMaxHorUnc: 33°
68%ConfEllipsoid:   semiMajorAxisLength: 15km   majorAxisAzimuth: 41°   majorAxisPlunge: 32°   semiIntermediateAxisLength: 13km   intermediateAxisAzimuth: 148°   intermediateAxisPlunge: 25°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.5 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.1Xs [3]
Closest plate boundaries:
   North America / Pacific [oceanic transform fault]: distance: ~30km
   Okhotsk / Pacific [subduction zone]: distance: ~350km
   Okhotsk / North America [subduction zone]: distance: ~350km
Subduction geometry:    Zone: Alaska-Aleutians: 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?:
 no
 no
 YES (30km)
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       9km
       9km
       9km
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.1754379310357.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 110°   dip: 13°   rake: 27°
Nodal Plane 2: strike: 353°   dip: 84°   rake: 102°
Quality: azimuthalGap: -1°   stationPolarityCount: 11   misfitWeightCount: 3.2   misfit: 0.02   stationDistributionRatio: 0.62   meanDistP: 46.6   meanDistT: 43.5   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754379310357.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.1754379310357.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 360°   dip: 89°   rake: 105°
Nodal Plane 2: strike: 94°   dip: 15°   rake: 4°
Quality: azimuthalGap: 131°   stationPolarityCount: 11   misfit: 0.10   stationDistributionRatio: 0.63   rmsAngDiffAccPref: 40.44   fracAcc30degPref: 0.40   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754379310357.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754379310357
Event info last updated: 2025.08.05-08:34:04 UTC
Event first association/location: 2025.08.05-07:46:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA