1994 Northridge-01, Sylmar - Olive View Med FF

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 1086

Magnitude = 6.7
Closest Distance = 5.3 km
Hypocentral Distance = 24.24 km
Vs30 = 441 m/s
Mechanism = Reverse-oblique

T_p = 2.44 s
PGV = 130.6 cm/s

Orientation of strongest pulse, relative to north = 20 degrees
Orientation of strongest pulse, relative to fault parallel = 78 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.08
s = 1.47 km
θ = 85

Y = 0.81
d = 19.5 km
φ = 6.3

IDP = 2.78
Rowshandel parameter = 0.48

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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