Early-est:     Near East Coast of Kamchatka    2026.02.06-04:24:30.82    q:B      mb:5.3*    Mwp:-    Mwpd:-    Td*T50Ex:0.3     fmamp_polarity:./hypo.1770351872162.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770351872162.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770351872162.mech.hash.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 5.3* [111]    Mwp: - [0]    Mwpd: - [0]
Region: Near East Coast of Kamchatka
Origin Time: 2026.02.06-04:24:30.82 UTC
Hypocenter: lat: 53.06°  lon: 159.89°  [+/-27km]    depth: 15km  [+/-24km]
Location Quality: qualityCode:  B     stdErr: 1.9s   assocPhases: 158   usedPhases: 144
minDist: 0.7°   maxDist: 147.7°   AzGap: 98°   2ndAzGap: 103°   atten: -0.60 [+/-0.24]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 17km   maxHorUnc: 27km   azMaxHorUnc: 143°
68%ConfEllipsoid:   semiMajorAxisLength: 36km   majorAxisAzimuth: 146°   majorAxisPlunge: 27°   semiIntermediateAxisLength: 23km   intermediateAxisAzimuth: 251°   intermediateAxisPlunge: 27°   semiMinorAxisLength: 18km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.3 [97]    Td: 1.0s [4]    Td*T50Ex: 0.3 [4]    To: 2.2s [95]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~120km
   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 (120km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   0.3
   0.3
   0.3
Td*To:
     2.2
     2.2
     2.2
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       15km
       15km
       15km
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)
./hypo.1770351872162.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 92°   dip: 55°   rake: 1°
Nodal Plane 2: strike: 2°   dip: 89°   rake: 145°
Quality: azimuthalGap: -1°   stationPolarityCount: 104   misfitWeightCount: 12.3   misfit: 0.12   stationDistributionRatio: 0.48   meanDistP: 37.0   meanDistT: 43.2   qualityCode: C
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770351872162.mech.fmamp_polarity.mechanism.jpg
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
./hypo.1770351872162.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: Unreliable solution, qualityCode=C)
Nodal Plane 1: strike: 187°   dip: 82°   rake: -149°
Nodal Plane 2: strike: 93°   dip: 59°   rake: -9°
Quality: azimuthalGap: 101°   stationPolarityCount: 104   misfit: 0.28   stationDistributionRatio: 0.69   rmsAngDiffAccPref: 35.83   fracAcc30degPref: 0.74   qualityCode: C
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770351872162.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770351872162
Event info last updated: 2026.02.06-05:22:06 UTC
Event first association/location: 2026.02.06-04:30:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA