1999 Chi-Chi, Taiwan, TCU006

Ground motion information:

NGA Record Sequence Number 1464

Magnitude = 7.6
Closest Distance = 72.6 km
Hypocentral Distance = 122.8 km
Vs30 = 607 m/s
Mechanism = Reverse-oblique

T_p = 10.88 s
PGV = 35.8 cm/s

Orientation of strongest pulse, relative to north = 76 degrees
Orientation of strongest pulse, relative to fault parallel = 40 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 0

Comments:

Lots more cycles after the initial one

Directivity parameters:

X = 0.62
s = 56.01 km
θ = 26.5

Y = 0.34
d = 12.55 km
φ = 20.5

IDP = 2.51
Rowshandel parameter = 0.28