1999 Chi-Chi, Taiwan, TCU039

Ground motion information:

NGA Record Sequence Number 1482

Magnitude = 7.6
Closest Distance = 19.9 km
Hypocentral Distance = 71.95 km
Vs30 = 541 m/s
Mechanism = Reverse-oblique

T_p = 9.33 s
PGV = 57.8 cm/s

Orientation of strongest pulse, relative to north = 94 degrees
Orientation of strongest pulse, relative to fault parallel = 58 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 = 29.8

Y = 0.4
d = 14.8 km
φ = 12.3

IDP = 3.15
Rowshandel parameter = 0.33