1999 Chi-Chi, Taiwan, TCU087

Ground motion information:

NGA Record Sequence Number 1519

Magnitude = 7.6
Closest Distance = 7 km
Hypocentral Distance = 56.21 km
Vs30 = 560 m/s
Mechanism = Reverse-oblique

T_p = 10.4 s
PGV = 45.5 cm/s

Orientation of strongest pulse, relative to north = 91 degrees
Orientation of strongest pulse, relative to fault parallel = 55 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 = 37.2

Y = 0.4
d = 14.8 km
φ = 8.9

IDP = 3.17
Rowshandel parameter = 0.3