1999 Chi-Chi, Taiwan, TCU065

Ground motion information:

NGA Record Sequence Number 1503

Magnitude = 7.6
Closest Distance = 0.6 km
Hypocentral Distance = 27.85 km
Vs30 = 306 m/s
Mechanism = Reverse-oblique

T_p = 5.74 s
PGV = 136.5 cm/s

Orientation of strongest pulse, relative to north = 113 degrees
Orientation of strongest pulse, relative to fault parallel = 66 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.21
s = 19.53 km
θ = 44.9

Y = 0.38
d = 14.1 km
φ = 6

IDP = 2.55
Rowshandel parameter = -0.08