1999 Duzce, Turkey, Duzce

Ground motion information:

NGA Record Sequence Number 1605

Magnitude = 7.1
Closest Distance = 6.6 km
Hypocentral Distance = 14.09 km
Vs30 = 282 m/s
Mechanism = Strike slip

T_p = 5.94 s
PGV = 78.9 cm/s

Orientation of strongest pulse, relative to north = 131 degrees
Orientation of strongest pulse, relative to fault parallel = 49 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 0

Comments:

Not really a directivity geometry. Pulse is not very clear.

Directivity parameters:

X = 0.03
s = 1.45 km
θ = 25.3

Y = 0.62
d = 12.34 km
φ = 37.5

IDP = 0.58
Rowshandel parameter = -0.58