1999 Chi-Chi, Taiwan, TCU103

Ground motion information:

NGA Record Sequence Number 1530

Magnitude = 7.6
Closest Distance = 6.1 km
Hypocentral Distance = 53.04 km
Vs30 = 494 m/s
Mechanism = Reverse-oblique

T_p = 8.69 s
PGV = 67.1 cm/s

Orientation of strongest pulse, relative to north = 75 degrees
Orientation of strongest pulse, relative to fault parallel = 68 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.49
s = 44.16 km
θ = 40

Y = 0.4
d = 14.8 km
φ = 12.7

IDP = 3.11
Rowshandel parameter = 0.26