1999 Duzce, Turkey, Bolu



Plots of original ground motion, extracted pulse, and residual ground motion:

Map of epicenter, rupture extent and station location:


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

Tp = 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


Notes:



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