1999 Chi-Chi, Taiwan-03, TCU065

Ground motion information:

NGA Record Sequence Number 2618

Magnitude = 6.2
Closest Distance = 26.1 km
Hypocentral Distance = 32.99 km
Vs30 = 306 m/s
Mechanism = Reverse-oblique

T_p = 1.53 s
PGV = 35.4 cm/s

Orientation of strongest pulse, relative to north = 305 degrees
Orientation of strongest pulse, relative to fault parallel = 55 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 0

Comments:

Borderline

Directivity parameters:

X = 0.45
s = 4.5 km
θ = 30.2

Y = 0.59
d = 6.46 km
φ = 15.8

IDP = 1.21
Rowshandel parameter = 0.19