1994 Northridge-01, Pardee

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 1054

Magnitude = 6.7
Closest Distance = 7.5 km
Hypocentral Distance = 31.05 km
Vs30 = 353 m/s
Mechanism = Reverse-oblique

T_p = 1.23 s
PGV = 76.3 cm/s

Orientation of strongest pulse, relative to north = -999 degrees
Orientation of strongest pulse, relative to fault parallel = -999 degrees
Pulse in fault normal direction = -999
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.78
s = 14.13 km
θ = 52.2

Y = 0.81
d = 19.5 km
φ = 0.8

IDP = 2.83
Rowshandel parameter = 0.69

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