1999 Chi-Chi, Taiwan-04, CHY074



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 2734

Magnitude = 6.2
Closest Distance = 6.2 km
Hypocentral Distance = 20.64 km
Vs30 = 553 m/s
Mechanism = Strike slip

Tp = 2.44 s
PGV = 44 cm/s

Orientation of strongest pulse, relative to north = 355 degrees
Orientation of strongest pulse, relative to fault parallel = 25 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1


Comments:

no comment

Directivity parameters:


X = 0.37
s = 7.89 km
θ = 38.6

Y = 0.94
d = 16.5 km
φ = 18.3

IDP = 0.73
Rowshandel parameter = 0.11


Notes:



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