Early-est:     Near East Coast of Kamchatka    2025.08.01-05:14:33.88    q:C      mb:4.8*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     fmamp_polarity_waveform:     hash:

Automatic solution - this event has not been reviewed by a seismologist
Automatically determined event information may be incorrect!

Earthquake Details: Magnitude: mb: 4.8* [28]    Mwp: - [0]    Mwpd: - [0] Region: Near East Coast of Kamchatka Origin Time: 2025.08.01-05:14:33.88 UTC Hypocenter: lat: 51.18°  lon: 158.58°  [+/-20km]    depth: 5km  [+/-17km] Location Quality: qualityCode:  C     stdErr: 1.3s   assocPhases: 66   usedPhases: 30 minDist: 1.8°   maxDist: 85.2°   AzGap: 175°   2ndAzGap: 176°   atten: -0.40 [+/-0.34] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 20km   azMaxHorUnc: 158° 68%ConfEllipsoid:   semiMajorAxisLength: 26km   majorAxisAzimuth: 158°   majorAxisPlunge: 23°   semiIntermediateAxisLength: 15km   intermediateAxisAzimuth: 253°   intermediateAxisPlunge: 12°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [17]    Td: -s [0]    Td*T50Ex: - [0]    To: 16.4s [17] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~100km    North America / Pacific [subduction zone]: distance: ~580km    Okhotsk / North America [subduction zone]: distance: ~580km 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 (100km)  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)

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 308°   dip: 20°   rake: 130° Nodal Plane 2: strike: 86°   dip: 75°   rake: 77° Quality: azimuthalGap: -1°   stationPolarityCount: 31   misfitWeightCount: 5.8   misfit: 0.12   stationDistributionRatio: 0.48   meanDistP: 52.6   meanDistT: 46.6   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
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
First-motion Focal Mechanism (HASH):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 175°   stationPolarityCount: 30   misfit: 0.99   stationDistributionRatio: 0.65   rmsAngDiffAccPref: 33.17   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754025273918
Event info last updated: 2025.08.01-06:13:00 UTC
Event first association/location: 2025.08.01-05:51:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA