Early-est:     Near Coast of Guerrero, Mexico    2017.03.12-04:03:27.27    q:B      mb:4.5    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1489291408862.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1489291408862.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1489291408862.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1489291408862.mech.fmamp_amp_mwp.thumb.jpg

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

Earthquake Details:
Magnitude: mb: 4.5 [33]    Mwp: - [0]    Mwpd: - [0]
Region: Near Coast of Guerrero, Mexico
Origin Time: 2017.03.12-04:03:27.27 UTC
Hypocenter: lat: 16.77°  lon: -98.21°  [+/-16km]    depth: 12km  [+/-14km]
Location Quality: qualityCode:  B     stdErr: 2.0s   assocPhases: 65   usedPhases: 33
minDist: 0.9°   maxDist: 60.7°   AzGap: 200°   2ndAzGap: 210°   atten: -1.85 [+/-0.27]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 14km   maxHorUnc: 16km   azMaxHorUnc: 84°
68%ConfEllipsoid:   semiMajorAxisLength: 20km   majorAxisAzimuth: 85°   majorAxisPlunge: 12°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 176°   intermediateAxisPlunge: 6°   semiMinorAxisLength: 14km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: <1%
T50Ex: 0.7 [21]    Td: 9.6Xs [1]    Td*T50Ex: - [0]    To: 3.7s [11]
Closest plate boundaries:
   Cocos \ North America [subduction zone]: distance: ~120km
Subduction geometry:    Zone: Central America    Slab depth at epicenter: 37km
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (120km)
 no
 no
Prob underwater:
 <1%
 <1%
 <1%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       12km
       12km
       12km
Slab depth at epicenter:
       37km
       -
       -
./hypo.1489291408862.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 193°   dip: 14°   rake: -120°
Nodal Plane 2: strike: 44°   dip: 78°   rake: -83°
Quality: azimuthalGap: -1°   stationPolarityCount: 34   misfitWeightCount: 4.5   misfit: 0.14   stationDistributionRatio: 0.51   meanDistP: 33.7   meanDistT: 44.3   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1489291408862.mech.fmamp_polarity.mechanism.jpg
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: 158°   stationPolarityCount: 34   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1489291408862.mech.hash.mechanism.jpg
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
./hypo.1489291408862.mech.fmamp_amp_aref.mechanism.jpg
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
./hypo.1489291408862.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:localhost/ee/event/1489291408862
Event info last updated: 2017.03.12-05:03:41 UTC
Event first association/location: 2017.03.12-04:08:05 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: localhost