1999 Chi-Chi, Taiwan-06, TCU080

Ground motion information:

NGA Record Sequence Number 3475

Magnitude = 6.3
Closest Distance = 10.2 km
Hypocentral Distance = 18.26 km
Vs30 = 475 m/s
Mechanism = Reverse-oblique

T_p = 1.02 s
PGV = 39.3 cm/s

Orientation of strongest pulse, relative to north = 50 degrees
Orientation of strongest pulse, relative to fault parallel = 45 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.09
s = 2.62 km
θ = 72.7

Y = 0.6
d = 12.01 km
φ = 32.3

IDP = 0.6
Rowshandel parameter = 0.16