2004 Niigata, Japan, NIG021



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 4211

Magnitude = 6.6
Closest Distance = 11.3 km
Hypocentral Distance = 23.99 km
Vs30 = 418 m/s
Mechanism = Reverse-oblique

Tp = 0.32 s
PGV = 66.9 cm/s

Orientation of strongest pulse, relative to north = 40 degrees
Orientation of strongest pulse, relative to fault parallel = 8 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1


Comments:

no comment

Directivity parameters:


X = 0.46
s = 11 km
θ = 9.7

Y = 0.64
d = 9 km
φ = 24.2

IDP = 0.96
Rowshandel parameter = 0.11


Notes:



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