1999 Chi-Chi, Taiwan, TCU059



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 1498

Magnitude = 7.6
Closest Distance = 17.1 km
Hypocentral Distance = 53.97 km
Vs30 = 244 m/s
Mechanism = Reverse-oblique

Tp = 7.78 s
PGV = 64.1 cm/s

Orientation of strongest pulse, relative to north = 45 degrees
Orientation of strongest pulse, relative to fault parallel = 38 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1


Comments:

no comment

Directivity parameters:


X = 0.37
s = 33.27 km
θ = 41.9

Y = 0.4
d = 14.8 km
φ = 18.1

IDP = 2.78
Rowshandel parameter = 0.19


Notes:



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