1999 Chi-Chi, Taiwan, TCU064

Ground motion information:

NGA Record Sequence Number 1502

Magnitude = 7.6
Closest Distance = 16.6 km
Hypocentral Distance = 59.68 km
Vs30 = 646 m/s
Mechanism = Reverse-oblique

T_p = 8.46 s
PGV = 52.3 cm/s

Orientation of strongest pulse, relative to north = 34 degrees
Orientation of strongest pulse, relative to fault parallel = 28 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.47
s = 43.17 km
θ = 46.1

Y = 0.4
d = 14.8 km
φ = 17.6

IDP = 3.22
Rowshandel parameter = 0.25