1999 Chi-Chi, Taiwan-03, CHY035

Ground motion information:

NGA Record Sequence Number 2466

Magnitude = 6.2
Closest Distance = 34.5 km
Hypocentral Distance = 42.86 km
Vs30 = 560 m/s
Mechanism = Reverse-oblique

T_p = 1.06 s
PGV = 30.1 cm/s

Orientation of strongest pulse, relative to north = 74 degrees
Orientation of strongest pulse, relative to fault parallel = 74 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 0

Comments:

Not directivity geometry

Directivity parameters:

X = 0.55
s = 5.51 km
θ = 40.1

Y = 0.59
d = 6.46 km
φ = 6

IDP = 0.96
Rowshandel parameter = 0.39