1979 Imperial Valley-06, Agrarias

Ground motion information:

NGA Record Sequence Number 159

Magnitude = 6.5
Closest Distance = 0.7 km
Hypocentral Distance = 10.3 km
Vs30 = 275 m/s
Mechanism = Strike slip

T_p = 2.34 s
PGV = 53.5 cm/s

Orientation of strongest pulse, relative to north = 53 degrees
Orientation of strongest pulse, relative to fault parallel = 90 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

Small s value but very clear pulse.

Directivity parameters:

X = 0.05
s = 2.38 km
θ = 24.6

Y = 0.77
d = 10 km
φ = 3.8

IDP = 0.55
Rowshandel parameter = -0.69