Early-est:     Off East Coast of Kamchatka    2026.02.10-09:44:48.57    q:B      mb:5.0*    Mwp:-    Mwpd:-    Td*T50Ex:1.1     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: 5.0* [58]    Mwp: 5.4X [3]    Mwpd: 5.6Xinv [3] Region: Off East Coast of Kamchatka Origin Time: 2026.02.10-09:44:48.57 UTC Hypocenter: lat: 51.90°  lon: 159.58°  [+/-22km]    depth: 5km  [+/-16km] Location Quality: qualityCode:  B     stdErr: 2.3s   assocPhases: 99   usedPhases: 64 minDist: 8.9°   maxDist: 134.4°   AzGap: 126°   2ndAzGap: 131°   atten: -1.11 [+/-0.30] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 15km   maxHorUnc: 22km   azMaxHorUnc: 89° 68%ConfEllipsoid:   semiMajorAxisLength: 27km   majorAxisAzimuth: 269°   majorAxisPlunge: 4°   semiIntermediateAxisLength: 19km   intermediateAxisAzimuth: 177°   intermediateAxisPlunge: 16°   semiMinorAxisLength: 16km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.6 [46]    Td: 1.9s [4]    Td*T50Ex: 1.1 [4]    To: 36.5s [41] Closest plate boundaries:    Okhotsk / Pacific [subduction zone]: distance: ~80km    North America / Pacific [subduction zone]: distance: ~470km    Okhotsk / North America [subduction zone]: distance: ~470km 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:    1.1    1.1    1.1 Td*To:      69.3      69.3      69.3 Mwp magnitude:        -        -        - 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: 59°   dip: 55°   rake: 136° Nodal Plane 2: strike: 178°   dip: 56°   rake: 44° Quality: azimuthalGap: -1°   stationPolarityCount: 59   misfitWeightCount: 8.8   misfit: 0.18   stationDistributionRatio: 0.32   meanDistP: 53.5   meanDistT: 45.7   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: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 289°   dip: 52°   rake: -167° Nodal Plane 2: strike: 191°   dip: 80°   rake: -39° Quality: azimuthalGap: 125°   stationPolarityCount: 59   misfit: 0.32   stationDistributionRatio: 0.66   rmsAngDiffAccPref: 45.81   fracAcc30degPref: 0.43   qualityCode: D Method: methodID: smi:gov.usgs/focalmec/HASH_1.2

Event ID: smi:alomax.net_BETA/author/ee/event/1770716688761
Event info last updated: 2026.02.10-10:43:03 UTC
Event first association/location: 2026.02.10-09:53:01 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA