1999 Chi-Chi, Taiwan, TCU029

Ground motion information:

NGA Record Sequence Number 1476

Magnitude = 7.6
Closest Distance = 28 km
Hypocentral Distance = 79.6 km
Vs30 = 407 m/s
Mechanism = Reverse-oblique

T_p = 5.29 s
PGV = 62.7 cm/s

Orientation of strongest pulse, relative to north = 155 degrees
Orientation of strongest pulse, relative to fault parallel = 61 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.56
s = 50.72 km
θ = 30.9

Y = 0.4
d = 14.8 km
φ = 15.5

IDP = 3.21
Rowshandel parameter = 0.33