2010 Darfield, New Zealand, DSLC



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 6897

Magnitude = 7
Closest Distance = 8.5 km
Hypocentral Distance = 17.28 km
Vs30 = 275 m/s
Mechanism = Strike slip

Tp = 7.83 s
PGV = 65.9 cm/s

Orientation of strongest pulse, relative to north = 44 degrees
Orientation of strongest pulse, relative to fault parallel = 41 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 = 0.22
s = 11.42 km
θ = 31.7

Y = 0.41
d = 9.84 km
φ = 40.7

IDP = 0.53
Rowshandel parameter = 0.61


Notes:



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