1987 Superstition Hills-02, Kornbloom Road (temp)



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 722

Magnitude = 6.5
Closest Distance = 18.5 km
Hypocentral Distance = 21.27 km
Vs30 = 306 m/s
Mechanism = Strike slip

Tp = 2.13 s
PGV = 33.1 cm/s

Orientation of strongest pulse, relative to north = 321 degrees
Orientation of strongest pulse, relative to fault parallel = 14 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1


Comments:

Questionable

Directivity parameters:


X = 0.27
s = 5.49 km
θ = 73.4

Y = 0.75
d = 9 km
φ = 64

IDP = 0.23
Rowshandel parameter = -0.15


Notes:



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