1999 Duzce, Turkey, Bolu

Ground motion information:

NGA Record Sequence Number 1602

Magnitude = 7.1
Closest Distance = 12 km
Hypocentral Distance = 43.58 km
Vs30 = 294 m/s
Mechanism = Strike slip

T_p = 0.88 s
PGV = 65.8 cm/s

Orientation of strongest pulse, relative to north = 88 degrees
Orientation of strongest pulse, relative to fault parallel = 10 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

Short pulse period

Directivity parameters:

X = 0.61
s = 29.34 km
θ = 14.4

Y = 0.77
d = 15.38 km
φ = 4.8

IDP = 3.1
Rowshandel parameter = 0.14