1999 Chi-Chi, Taiwan, WGK

Ground motion information:

NGA Record Sequence Number 1595

Magnitude = 7.6
Closest Distance = 9.9 km
Hypocentral Distance = 32.95 km
Vs30 = 259 m/s
Mechanism = Reverse-oblique

T_p = 5.74 s
PGV = 104.3 cm/s

Orientation of strongest pulse, relative to north = 174 degrees
Orientation of strongest pulse, relative to fault parallel = 25 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.32
s = 29.51 km
θ = 58.7

Y = 0.3
d = 11.1 km
φ = 4.3

IDP = 0.46
Rowshandel parameter = -0.23