Early-est:     Off East Coast of Kamchatka    2025.08.02-11:06:02.66    q:B      mb:5.2    Mwp:5.7*    Mwpd:-    Td*T50Ex:0.6     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: 5.2 [98]    Mwp: 5.7* [18]    Mwpd: 5.8Xinv [18] Region: Off East Coast of Kamchatka Origin Time: 2025.08.02-11:06:02.66 UTC Hypocenter: lat: 51.74°  lon: 159.10°  [+/-28km]    depth: 5km  [+/-41km] Location Quality: qualityCode:  B     stdErr: 1.1s   assocPhases: 147   usedPhases: 113 minDist: 1.3°   maxDist: 148.4°   AzGap: 116°   2ndAzGap: 127°   atten: -0.56 [+/-0.23] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 22km   maxHorUnc: 28km   azMaxHorUnc: 160° 68%ConfEllipsoid:   semiMajorAxisLength: 41km   majorAxisAzimuth: 201°   majorAxisPlunge: 81°   semiIntermediateAxisLength: 35km   intermediateAxisAzimuth: 339°   intermediateAxisPlunge: 7°   semiMinorAxisLength: 27km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [92]    Td: 1.4s [9]    Td*T50Ex: 0.6 [9]    To: 19.2s [91] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~110km    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 (110km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.6    0.6    0.6 Td*To:      26.9      26.9      26.9 Mwp magnitude:        5.7*        5.7*        5.7* 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: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 146°   dip: 38°   rake: 27° Nodal Plane 2: strike: 34°   dip: 74°   rake: 125° Quality: azimuthalGap: -1°   stationPolarityCount: 100   misfitWeightCount: 10.7   misfit: 0.18   stationDistributionRatio: 0.28   meanDistP: 48.8   meanDistT: 36.4   qualityCode: C 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):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 237°   dip: 34°   rake: 92° Nodal Plane 2: strike: 55°   dip: 56°   rake: 89° Quality: azimuthalGap: 139°   stationPolarityCount: 98   misfit: 0.16   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 40.47   fracAcc30degPref: 0.45   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1754132762044
Event info last updated: 2025.08.02-12:05:01 UTC
Event first association/location: 2025.08.02-11:12:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA