Early-est:     Northern Mid - Atlantic Ridge    2017.03.11-12:53:44.82    q:C      mb:4.6    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: 4.6 [40]    Mwp: - [0]    Mwpd: - [0] Region: Northern Mid - Atlantic Ridge Origin Time: 2017.03.11-12:53:44.82 UTC Hypocenter: lat: 23.32°  lon: -44.99°  [+/-19km]    depth: 18km  [+/-48km] Location Quality: qualityCode:  C     stdErr: 1.1s   assocPhases: 41   usedPhases: 41 minDist: 32.2°   maxDist: 90.9°   AzGap: 104°   2ndAzGap: 115°   atten: -1.12 [+/-0.39] Location Uncertainty: 68%ConfEllipse:   minHorUnc: 16km   maxHorUnc: 19km   azMaxHorUnc: 106° 68%ConfEllipsoid:   semiMajorAxisLength: 49km   majorAxisAzimuth: 241°   majorAxisPlunge: 79°   semiIntermediateAxisLength: 23km   intermediateAxisAzimuth: 117°   intermediateAxisPlunge: 6°   semiMinorAxisLength: 19km Tsunamigeneic Assesment: Discriminants: Prob Underwater: >99% T50Ex: 0.2 [14]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.8s [12] Closest plate boundaries:    North America - Africa [oceanic transform fault]: distance: ~40km Subduction geometry: none or not available Decision table (TEST!): Event type: Subduction Zone Other Thrust/Normal Strike-slip Compatible close plate boundary?:  no  no  YES (40km) Prob underwater:  >99%  >99%  >99% Td*T50Ex:    -    -    - Td*To:      -      -      - Mwp magnitude:        -        -        - Hypocenter depth:        18km        18km        18km Slab depth at epicenter:        n/a        -        -

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D) Nodal Plane 1: strike: 30°   dip: 17°   rake: 21° Nodal Plane 2: strike: 279°   dip: 84°   rake: 106° Quality: azimuthalGap: -1°   stationPolarityCount: 39   misfitWeightCount: 5.4   misfit: 0.09   stationDistributionRatio: 0.30   meanDistP: 32.9   meanDistT: 42.4   qualityCode: D 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: 343°   dip: 13°   rake: -16° Nodal Plane 2: strike: 89°   dip: 86°   rake: -103° Quality: azimuthalGap: 104°   stationPolarityCount: 39   misfit: 0.20   stationDistributionRatio: 0.64   rmsAngDiffAccPref: 38.31   fracAcc30degPref: 0.43   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: 48°   dip: 0°   rake: 0° Nodal Plane 2: strike: 318°   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: 48°   dip: 0°   rake: 0° Nodal Plane 2: strike: 318°   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/1489236824863
Event info last updated: 2017.03.11-13:53:52 UTC
Event first association/location: 2017.03.11-13:04:45 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: localhost