Early-est:     Near East Coast of Kamchatka    2026.02.07-20:00:55.05    q:C      mb:4.7*    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1770494445443.mech.fmamp_polarity.thumb.jpg     fmamp_polarity_waveform:./hypo.1770494445443.mech.fmamp_polarity_waveform.thumb.jpg     hash:./hypo.1770494445443.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: 4.7* [19]    Mwp: - [0]    Mwpd: - [0]
Region: Near East Coast of Kamchatka
Origin Time: 2026.02.07-20:00:55.05 UTC
Hypocenter: lat: 53.06°  lon: 160.27°  [+/-51km]    depth: 62km  [+/-46km]
Location Quality: qualityCode:  C     stdErr: 1.0s   assocPhases: 43   usedPhases: 24
minDist: 1.0°   maxDist: 144.5°   AzGap: 105°   2ndAzGap: 146°   atten: -1.34 [+/-0.64]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 29km   maxHorUnc: 51km   azMaxHorUnc: 112°
68%ConfEllipsoid:   semiMajorAxisLength: 68km   majorAxisAzimuth: 291°   majorAxisPlunge: 26°   semiIntermediateAxisLength: 40km   intermediateAxisAzimuth: 139°   intermediateAxisPlunge: 61°   semiMinorAxisLength: 36km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [11]    Td: -s [0]    Td*T50Ex: - [0]    To: 2.0s [11]
Closest plate boundaries:
   Okhotsk / Pacific [subduction zone]: distance: ~100km
   North America / Pacific [subduction zone]: distance: ~340km
   Okhotsk / North America [subduction zone]: distance: ~340km
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 (100km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       62km
       62km
       62km
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.1770494445443.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 110°   dip: 49°   rake: -126°
Nodal Plane 2: strike: 338°   dip: 53°   rake: -56°
Quality: azimuthalGap: -1°   stationPolarityCount: 21   misfitWeightCount: 6.6   misfit: 0.10   stationDistributionRatio: 0.41   meanDistP: 53.6   meanDistT: 52.6   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1770494445443.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.1770494445443.mech.fmamp_polarity_waveform.mechanism.jpg
First-motion Focal Mechanism (HASH):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 112°   dip: 52°   rake: -116°
Nodal Plane 2: strike: 331°   dip: 45°   rake: -61°
Quality: azimuthalGap: 116°   stationPolarityCount: 21   misfit: 0.34   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 37.78   fracAcc30degPref: 0.51   qualityCode: D
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1770494445443.mech.hash.mechanism.jpg

Event ID: smi:alomax.net_BETA/author/ee/event/1770494445443
Event info last updated: 2026.02.07-20:59:00 UTC
Event first association/location: 2026.02.07-20:07:00 UTC
Software: Early-est 1.2.10 (2024.02.23)
Agency: alomax.net_BETA