1979 Imperial Valley-06, El Centro Differential 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 184

Magnitude = 6.5
Closest Distance = 5.1 km
Hypocentral Distance = 29 km
Vs30 = 202 m/s
Mechanism = Strike slip

T_p = 6.27 s
PGV = 73.5 cm/s

Orientation of strongest pulse, relative to north = 253 degrees
Orientation of strongest pulse, relative to fault parallel = 70 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.53
s = 26.36 km
θ = 14.6

Y = 0.78
d = 10.11 km
φ = 24.5

IDP = 2.85
Rowshandel parameter = 0.05

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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