2010 Darfield, New Zealand, LINC

Ground motion information:

NGA Record Sequence Number 6927

Magnitude = 7
Closest Distance = 7.1 km
Hypocentral Distance = 35.48 km
Vs30 = 275 m/s
Mechanism = Strike slip

T_p = 7.37 s
PGV = 116.5 cm/s

Orientation of strongest pulse, relative to north = 359 degrees
Orientation of strongest pulse, relative to fault parallel = 86 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 = 6.9

Y = 0.43
d = 10.25 km
φ = 28.2

IDP = 3.07
Rowshandel parameter = 0.61