Early-est:     Near East Coast of Kamchatka    2025.01.26-13:37:31.45    q:A      mb:5.3    Mwp:-    Mwpd:-    Td*T50Ex:0.5     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: 5.3 [161]    Mwp: 5.4X [1]    Mwpd: 5.5Xinv [1] Region: Near East Coast of Kamchatka Origin Time: 2025.01.26-13:37:31.45 UTC Hypocenter: lat: 53.02°  lon: 160.13°  [+/-14km]    depth: 34km  [+/-17km] Location Quality: qualityCode:  A     stdErr: 1.1s   assocPhases: 216   usedPhases: 197 minDist: 0.9°   maxDist: 159.9°   AzGap: 40°   2ndAzGap: 74°   atten: -0.60 [+/-0.24] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 10km   maxHorUnc: 14km   azMaxHorUnc: 176° 68%ConfEllipsoid:   semiMajorAxisLength: 17km   majorAxisAzimuth: 176°   majorAxisPlunge: 57°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 356°   intermediateAxisPlunge: 33°   semiMinorAxisLength: 13km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.4 [140]    Td: 1.4s [8]    Td*T50Ex: 0.5 [8]    To: 1.9s [125] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~110km    North America / Pacific [subduction zone]: distance: ~350km    Okhotsk / North America [subduction zone]: distance: ~350km Subduction geometry:    Zone: Kamchatka/Kurils/Japan    Slab depth at epicenter: 39km 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:    0.5    0.5    0.5 Td*To:      2.7      2.7      2.7 Mwp magnitude:        -        -        - Hypocenter depth:        34km        34km        34km Slab depth at epicenter:        39km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C) Nodal Plane 1: strike: 288°   dip: 41°   rake: 97° Nodal Plane 2: strike: 99°   dip: 50°   rake: 84° Quality: azimuthalGap: -1°   stationPolarityCount: 166   misfitWeightCount: 22.2   misfit: 0.27   stationDistributionRatio: 0.52   meanDistP: 35.9   meanDistT: 31.1   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: 262°   dip: 69°   rake: -171° Nodal Plane 2: strike: 169°   dip: 81°   rake: -21° Quality: azimuthalGap: 73°   stationPolarityCount: 166   misfit: 0.39   stationDistributionRatio: 0.67   rmsAngDiffAccPref: 46.85   fracAcc30degPref: 0.63   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/1737898651287
Event info last updated: 2025.01.26-14:37:45 UTC
Event first association/location: 2025.01.26-13:43:01 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: KOERI