1979 Imperial Valley-06, Holtville Post Office

Ground motion information:

NGA Record Sequence Number 185

Magnitude = 6.5
Closest Distance = 7.5 km
Hypocentral Distance = 22.16 km
Vs30 = 203 m/s
Mechanism = Strike slip

T_p = 4.82 s
PGV = 73.4 cm/s

Orientation of strongest pulse, relative to north = 263 degrees
Orientation of strongest pulse, relative to fault parallel = 60 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.38
s = 18.91 km
θ = 17.2

Y = 0.68
d = 8.79 km
φ = 40.5

IDP = 1.31
Rowshandel parameter = -0.21