Early-est:     Near East Coast of Kamchatka    2025.08.06-05:18:01.74    q:B      mb:4.9*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1754457482113.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1754457482113.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1754457482113.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: 4.9* [16]    Mwp: - [0]    Mwpd: - [0]
Region: Near East Coast of Kamchatka
Origin Time: 2025.08.06-05:18:01.74 UTC
Hypocenter: lat: 52.05°  lon: 158.88°  [+/-12km]    depth: 59km  [+/-15km]
Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 33   usedPhases: 20
minDist: 1.0°   maxDist: 170.5°   AzGap: 68°   2ndAzGap: 122°   atten: -0.85 [+/-0.56]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 12km   azMaxHorUnc: 103°
68%ConfEllipsoid:   semiMajorAxisLength: 15km   majorAxisAzimuth: 280°   majorAxisPlunge: 74°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 104°   intermediateAxisPlunge: 16°   semiMinorAxisLength: 13km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.1Xs [3]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~130km
   North America / Pacific [subduction zone]: distance: ~490km
   Okhotsk / North America [subduction zone]: distance: ~490km
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 (130km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       59km
       59km
       59km
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.1754457482113.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 112°   dip: 8°   rake: 153°
Nodal Plane 2: strike: 229°   dip: 86°   rake: 83°
Quality: azimuthalGap: -1°   stationPolarityCount: 20   misfitWeightCount: 4.6   misfit: 0.05   stationDistributionRatio: 0.45   meanDistP: 42.9   meanDistT: 43.4   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1754457482113.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.1754457482113.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 8°   dip: 33°   rake: 42°
Nodal Plane 2: strike: 242°   dip: 69°   rake: 116°
Quality: azimuthalGap: 107°   stationPolarityCount: 20   misfit: 0.26   stationDistributionRatio: 0.78   rmsAngDiffAccPref: 40.72   fracAcc30degPref: 0.57   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1754457482113.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1754457482113
Event info last updated: 2025.08.06-06:17:01 UTC
Event first association/location: 2025.08.06-05:32:02 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA