Early-est:     Southern Sumatra, Indonesia    2017.03.12-01:26:26.39    q:B      mb:4.8    Mwp:-    Mwpd:-    Td*T50Ex:-     fmamp_polarity:./hypo.1489281986255.mech.fmamp_polarity.thumb.jpg     hash:./hypo.1489281986255.mech.hash.thumb.jpg     fmamp_amp_aref:./hypo.1489281986255.mech.fmamp_amp_aref.thumb.jpg     fmamp_amp_mwp:./hypo.1489281986255.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: 4.8 [19]    Mwp: - [0]    Mwpd: - [0]
Region: Southern Sumatra, Indonesia
Origin Time: 2017.03.12-01:26:26.39 UTC
Hypocenter: lat: -4.79°  lon: 102.30°  [+/-14km]    depth: 34km  [+/-18km]
Location Quality: qualityCode:  B     stdErr: 0.8s   assocPhases: 59   usedPhases: 33
minDist: 8.8°   maxDist: 172.1°   AzGap: 192°   2ndAzGap: 197°   atten: -0.82 [+/-0.34]
Location Uncertainty: 68%ConfEllipse:   minHorUnc: 13km   maxHorUnc: 14km   azMaxHorUnc: 40°
68%ConfEllipsoid:   semiMajorAxisLength: 19km   majorAxisAzimuth: 87°   majorAxisPlunge: 73°   semiIntermediateAxisLength: 17km   intermediateAxisAzimuth: 214°   intermediateAxisPlunge: 10°   semiMinorAxisLength: 16km
Tsunamigeneic Assesment:
Discriminants: Prob Underwater: >99%
T50Ex: 0.4 [12]    Td: -s [0]    Td*T50Ex: - [0]    To: 1.2s [10]
Closest plate boundaries:
   Sunda / Australia [subduction zone]: distance: ~170km
Subduction geometry:    Zone: Sumatra-Java    Slab depth at epicenter: 41km
Decision table (TEST!):
Event type: Subduction Zone Other Thrust/Normal Strike-slip
Compatible close plate boundary?:
 YES (170km)
 no
 no
Prob underwater:
 >99%
 >99%
 >99%
Td*T50Ex:
   -
   -
   -
Td*To:
     -
     -
     -
Mwp magnitude:
       -
       -
       -
Hypocenter depth:
       34km
       34km
       34km
Slab depth at epicenter:
       41km
       -
       -
./hypo.1489281986255.map.jpg

First-motion Focal Mechanism (FMAMP_POLARITY):    (Warning: VERY UNRELIABLE SOLUTION, qualityCode=D)
Nodal Plane 1: strike: 146°   dip: 39°   rake: -148°
Nodal Plane 2: strike: 30°   dip: 71°   rake: -56°
Quality: azimuthalGap: -1°   stationPolarityCount: 29   misfitWeightCount: 2.0   misfit: 0.16   stationDistributionRatio: 0.26   meanDistP: 43.8   meanDistT: 51.9   qualityCode: D
Method: methodID: smi:net.alomax/focalmec/fmamp_0.0.5X_2016.06.14/_polarity
./hypo.1489281986255.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: 197°   stationPolarityCount: 29   misfit: 0.99   stationDistributionRatio: 0.00   rmsAngDiffAccPref: 0.00   fracAcc30degPref: 0.00   qualityCode: E
Method: methodID: smi:gov.usgs/focalmec/HASH_1.2
./hypo.1489281986255.mech.hash.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_AREF):    (No solution available)
Nodal Plane 1: strike: 18°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 288°   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.1489281986255.mech.fmamp_amp_aref.mechanism.jpg
First-motion Focal Mechanism (FMAMP_AMP_MWP):    (No solution available)
Nodal Plane 1: strike: 18°   dip: 0°   rake: 0°
Nodal Plane 2: strike: 288°   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.1489281986255.mech.fmamp_amp_mwp.mechanism.jpg

Event ID: smi:localhost/ee/event/1489281986255
Event info last updated: 2017.03.12-02:26:40 UTC
Event first association/location: 2017.03.12-01:42:11 UTC
Software: Early-est 1.2.0 (2016.06.27)
Agency: localhost