1999 Chi-Chi, Taiwan, TCU051

Ground motion information:

NGA Record Sequence Number 1491

Magnitude = 7.6
Closest Distance = 7.6 km
Hypocentral Distance = 39.35 km
Vs30 = 342 m/s
Mechanism = Reverse-oblique

T_p = 10.38 s
PGV = 52.8 cm/s

Orientation of strongest pulse, relative to north = 100 degrees
Orientation of strongest pulse, relative to fault parallel = 86 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.34
s = 30.78 km
θ = 43.7

Y = 0.4
d = 14.8 km
φ = 12.6

IDP = 3.08
Rowshandel parameter = 0.08