1986 San Salvador, National Geografical Inst

Plots of original ground motion, extracted pulse, and residual ground motion:

Map of epicenter, rupture extent and station location:

Ground motion information:

NGA Record Sequence Number 569

Magnitude = 5.8
Closest Distance = 7 km
Hypocentral Distance = 14.49 km
Vs30 = 330 m/s
Mechanism = Strike slip

T_p = 1.13 s
PGV = 92.2 cm/s

Orientation of strongest pulse, relative to north = 231 degrees
Orientation of strongest pulse, relative to fault parallel = 19 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.75
s = 6 km
θ = 12.8

Y = 0.71
d = 5 km
φ = 6

IDP = 1.14
Rowshandel parameter = 0.33

Notes:

These results were computed November 1st, 2012
These results are based on the June 2012 version of the NGA West 2 database
If you have any observations, comments or requests regarding this data, please e-mail Jack Baker and Shrey Shahi

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