1979 Imperial Valley-06, El Centro - Meloland Geot. Array

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 171

Magnitude = 6.5
Closest Distance = 0.1 km
Hypocentral Distance = 21.84 km
Vs30 = 265 m/s
Mechanism = Strike slip

T_p = 3.42 s
PGV = 116.4 cm/s

Orientation of strongest pulse, relative to north = 59 degrees
Orientation of strongest pulse, relative to fault parallel = 84 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.39
s = 19.35 km
θ = 5.4

Y = 0.78
d = 10.11 km
φ = 0.3

IDP = 2.63
Rowshandel parameter = -0.19

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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