Early-est:     Off East Coast of Kamchatka    2026.10.13-12:05:43.78    q:B      mb:5.0    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:     hash:     fmamp_amp_aref:     fmamp_amp_mwp:

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

Earthquake Details: Magnitude: mb: 5.0 [26]    Mwp: 5.6X [1]    Mwpd: 5.9Xinv [1] Region: Off East Coast of Kamchatka Origin Time: 2026.10.13-12:05:43.78 UTC Hypocenter: lat: 51.69°  lon: 159.47°  [+/-15km]    depth: 1km  [+/-17km] Location Quality: qualityCode:  B     stdErr: 1.7s   assocPhases: 54   usedPhases: 32 minDist: 19.0°   maxDist: 145.0°   AzGap: 108°   2ndAzGap: 146°   atten: -0.65 [+/-0.48] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 15km   azMaxHorUnc: 13° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 193°   majorAxisPlunge: 33°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 283°   intermediateAxisPlunge: 0°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [20]    Td: 2.6Xs [1]    Td*T50Ex: - [0]    To: 21.5s [19] 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    Slab depth at epicenter: 27km 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:        -        -        - Hypocenter depth:        1km        1km        1km Slab depth at epicenter:        27km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 95°   dip: 24°   rake: -20° Nodal Plane 2: strike: 204°   dip: 82°   rake: -113° Quality: azimuthalGap: -1°   stationPolarityCount: 30   misfitWeightCount: 7.9   misfit: 0.09   stationDistributionRatio: 0.34   meanDistP: 30.7   meanDistT: 33.0   qualityCode: C Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 316°   dip: 21°   rake: -158° Nodal Plane 2: strike: 205°   dip: 82°   rake: -70° Quality: azimuthalGap: 146°   stationPolarityCount: 30   misfit: 0.26   stationDistributionRatio: 0.61   rmsAngDiffAccPref: 39.69   fracAcc30degPref: 0.49   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (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/_amp_aref
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (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/_amp_mwp

Event ID: smi:KOERI/ee/event/1791893146170
Event info last updated: 2026.10.13-13:05:50 UTC
Event first association/location: 2026.10.13-12:27:03 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI