1999 Chi-Chi, Taiwan, TCU052

Ground motion information:

NGA Record Sequence Number 1492

Magnitude = 7.6
Closest Distance = 0.7 km
Hypocentral Distance = 40.38 km
Vs30 = 393 m/s
Mechanism = Reverse-oblique

T_p = 11.96 s
PGV = 209.1 cm/s

Orientation of strongest pulse, relative to north = 142 degrees
Orientation of strongest pulse, relative to fault parallel = 46 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.43
s = 39.24 km
θ = 35.9

Y = 0.39
d = 14.3 km
φ = 6.6

IDP = 2.94
Rowshandel parameter = 0.12