Early-est:     Off East Coast of Honshu, Japan    2017.03.12-16:47:20.93    q:B      mb:4.4    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: 4.4 [5]    Mwp: 4.1X [2]    Mwpd: - [0] Region: Off East Coast of Honshu, Japan Origin Time: 2017.03.12-16:47:20.93 UTC Hypocenter: lat: 40.91°  lon: 143.27°  [+/-16km]    depth: 10km  [+/-14km] Location Quality: qualityCode:  B     stdErr: 0.5s   assocPhases: 17   usedPhases: 14 minDist: 1.1°   maxDist: 150.5°   AzGap: 133°   2ndAzGap: 144°   atten: -1.02 [+/-0.38] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 16km   azMaxHorUnc: 106° 68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 107°   majorAxisPlunge: 3°   semiIntermediateAxisLength: 18km   intermediateAxisAzimuth: 198°   intermediateAxisPlunge: 15°   semiMinorAxisLength: 14km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.5 [5]    Td: -s [0]    Td*T50Ex: - [0]    To: 21.5Xs [3] Closest plate boundaries:    Pacific \ Okhotsk [subduction zone]: distance: ~100km    Okhotsk / Pacific [subduction zone]: distance: ~100km Subduction geometry:    Zone: Kamchatka/Kurils/Japan    Slab depth at epicenter: 26km 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:        10km        10km        10km Slab depth at epicenter:        26km        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 98°   dip: 22°   rake: -28° Nodal Plane 2: strike: 215°   dip: 80°   rake: -109° Quality: azimuthalGap: -1°   stationPolarityCount: 12   misfitWeightCount: 3.0   misfit: 0.10   stationDistributionRatio: 0.37   meanDistP: 42.0   meanDistT: 44.8   qualityCode: D Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
First-motion Focal Mechanism (HASH):    (No solution available) Nodal Plane 1: strike: 999°   dip: 99°   rake: 999° Nodal Plane 2: strike: 324°   dip: 13°   rake: 135° Quality: azimuthalGap: 186°   stationPolarityCount: 12   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available) Nodal Plane 1: strike: 14°   dip: 0°   rake: 0° Nodal Plane 2: strike: 284°   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: 14°   dip: 0°   rake: 0° Nodal Plane 2: strike: 284°   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:localhost/ee/event/1489337242296
Event info last updated: 2017.03.12-17:47:50 UTC
Event first association/location: 2017.03.12-16:55:19 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: localhost