Early-est:     Off East Coast of Kamchatka    2026.06.03-17:23:34.18    q:B      mb:5.3*    Mwp:5.6    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: 5.3* [59]    Mwp: 5.6 [13]    Mwpd: 5.7Xinv [14] Region: Off East Coast of Kamchatka Origin Time: 2026.06.03-17:23:34.18 UTC Hypocenter: lat: 51.57°  lon: 159.52°  [+/-16km]    depth: 5km  [+/-15km] Location Quality: qualityCode:  B     stdErr: 1.7s   assocPhases: 95   usedPhases: 64 minDist: 9.0°   maxDist: 145.2°   AzGap: 86°   2ndAzGap: 101°   atten: -0.50 [+/-0.27] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 12km   maxHorUnc: 16km   azMaxHorUnc: 137° 68%ConfEllipsoid:   semiMajorAxisLength: 21km   majorAxisAzimuth: 312°   majorAxisPlunge: 23°   semiIntermediateAxisLength: 16km   intermediateAxisAzimuth: 206°   intermediateAxisPlunge: 32°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.3 [49]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.6s [43] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~80km    North America / Pacific [subduction zone]: distance: ~500km    Okhotsk / North America [subduction zone]: distance: ~500km 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 (80km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        5.6        5.6        5.6 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: 55°   dip: 11°   rake: -111° Nodal Plane 2: strike: 256°   dip: 80°   rake: -86° Quality: azimuthalGap: -1°   stationPolarityCount: 57   misfitWeightCount: 5.6   misfit: 0.12   stationDistributionRatio: 0.32   meanDistP: 51.4   meanDistT: 41.6   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):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 94°   dip: 35°   rake: -22° Nodal Plane 2: strike: 203°   dip: 77°   rake: -123° Quality: azimuthalGap: 116°   stationPolarityCount: 57   misfit: 0.19   stationDistributionRatio: 0.68   rmsAngDiffAccPref: 37.27   fracAcc30degPref: 0.54   qualityCode: C Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1780507414006
Event info last updated: 2026.06.03-18:22:01 UTC
Event first association/location: 2026.06.03-17:47:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA