1999 Chi-Chi, Taiwan, TCU136

Ground motion information:

NGA Record Sequence Number 1550

Magnitude = 7.6
Closest Distance = 8.3 km
Hypocentral Distance = 49.4 km
Vs30 = 462 m/s
Mechanism = Reverse-oblique

T_p = 8.88 s
PGV = 61.5 cm/s

Orientation of strongest pulse, relative to north = 49 degrees
Orientation of strongest pulse, relative to fault parallel = 42 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.43
s = 39.24 km
θ = 42.6

Y = 0.4
d = 14.8 km
φ = 14.7

IDP = 3.14
Rowshandel parameter = 0.2