1999 Chi-Chi, Taiwan, TCU094

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 1523

Magnitude = 7.6
Closest Distance = 54.5 km
Hypocentral Distance = 105.22 km
Vs30 = 590 m/s
Mechanism = Reverse-oblique

T_p = 8.3 s
PGV = 39.6 cm/s

Orientation of strongest pulse, relative to north = 66 degrees
Orientation of strongest pulse, relative to fault parallel = 30 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 0

Comments:

no comment

Directivity parameters:

X = 0.62
s = 56.01 km
θ = 26.9

Y = 0.37
d = 13.49 km
φ = 8.6

IDP = 2.62
Rowshandel parameter = 0.3

Notes:

These results were computed November 1st, 2012
These results are based on the June 2012 version of the NGA West 2 database
If you have any observations, comments or requests regarding this data, please e-mail Jack Baker and Shrey Shahi

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