1994 Northridge-01, Newhall

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 1044

Magnitude = 6.7
Closest Distance = 5.9 km
Hypocentral Distance = 26.78 km
Vs30 = 269 m/s
Mechanism = Reverse-oblique

T_p = 1.37 s
PGV = 116.1 cm/s

Orientation of strongest pulse, relative to north = 21 degrees
Orientation of strongest pulse, relative to fault parallel = 79 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.5
s = 9.06 km
θ = 63.4

Y = 0.81
d = 19.5 km
φ = 4

IDP = 2.92
Rowshandel parameter = 0.67

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