1999 Chi-Chi, Taiwan, TCU045



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 1485

Magnitude = 7.6
Closest Distance = 26 km
Hypocentral Distance = 77.91 km
Vs30 = 705 m/s
Mechanism = Reverse-oblique

Tp = 9.34 s
PGV = 43.7 cm/s

Orientation of strongest pulse, relative to north = 75 degrees
Orientation of strongest pulse, relative to fault parallel = 39 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1


Comments:

no comment

Directivity parameters:


X = 0.62
s = 56.01 km
θ = 30

Y = 0.39
d = 14.25 km
φ = 1.1

IDP = 2.83
Rowshandel parameter = 0.31


Notes:



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