2010 Darfield, New Zealand, LPCC



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 6928

Magnitude = 7
Closest Distance = 25.7 km
Hypocentral Distance = 55.34 km
Vs30 = 660 m/s
Mechanism = Strike slip

Tp = 10.63 s
PGV = 30.2 cm/s

Orientation of strongest pulse, relative to north = 358 degrees
Orientation of strongest pulse, relative to fault parallel = 87 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1


Comments:

See Bradley (2012) for more details about this earthquake.

Directivity parameters:


X = 0.55
s = 29 km
θ = 4

Y = 0.43
d = 10.28 km
φ = 27.1

IDP = 3.25
Rowshandel parameter = 0.61


Notes:



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