Early-est:     Off East Coast of Kamchatka    2026.06.19-06:51:31.39    q:B      mb:5.2    Mwp:5.6*    Mwpd:-    Td*T50Ex:0.9     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 [100]    Mwp: 5.6* [33]    Mwpd: 5.6Xinv [29] Region: Off East Coast of Kamchatka Origin Time: 2026.06.19-06:51:31.39 UTC Hypocenter: lat: 52.64°  lon: 160.83°  [+/-15km]    depth: 12km  [+/-14km] Location Quality: qualityCode:  B     stdErr: 1.8s   assocPhases: 139   usedPhases: 99 minDist: 15.2°   maxDist: 144.9°   AzGap: 128°   2ndAzGap: 139°   atten: -0.58 [+/-0.28] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 11km   maxHorUnc: 15km   azMaxHorUnc: 3° 68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 2°   majorAxisPlunge: 2°   semiIntermediateAxisLength: 14km   intermediateAxisAzimuth: 270°   intermediateAxisPlunge: 50°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [76]    Td: 2.0s [10]    Td*T50Ex: 0.9 [10]    To: 7.5s [72] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~50km    North America / Pacific [subduction zone]: distance: ~360km    Okhotsk / North America [subduction zone]: distance: ~360km 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 (50km)  no  no Prob underwater:  >99%  >99%  >99% Td*T50Ex:    0.9    0.9    0.9 Td*To:      15.0      15.0      15.0 Mwp magnitude:        5.6*        5.6*        5.6* Hypocenter depth:        12km        12km        12km 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: 171°   dip: 21°   rake: 72° Nodal Plane 2: strike: 10°   dip: 70°   rake: 96° Quality: azimuthalGap: -1°   stationPolarityCount: 92   misfitWeightCount: 7.9   misfit: 0.24   stationDistributionRatio: 0.43   meanDistP: 47.7   meanDistT: 41.1   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (FMAMP_POLARITY_WAVEFORM):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 242°   dip: 30°   rake: 94° Nodal Plane 2: strike: 57°   dip: 60°   rake: 88° Quality: azimuthalGap: -1°   stationPolarityCount: 13   misfitWeightCount: 2.9   misfit: 0.08   stationDistributionRatio: 0.56   meanDistP: 52.7   meanDistT: 44.8   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity_waveform
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 101°   dip: 24°   rake: 13° Nodal Plane 2: strike: 359°   dip: 85°   rake: 113° Quality: azimuthalGap: 127°   stationPolarityCount: 92   misfit: 0.37   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 36.31   fracAcc30degPref: 0.50   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1781851889896
Event info last updated: 2026.06.19-07:50:02 UTC
Event first association/location: 2026.06.19-07:01:03 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA