1979 Imperial Valley-06, Brawley Airport

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 161

Magnitude = 6.5
Closest Distance = 10.4 km
Hypocentral Distance = 44.29 km
Vs30 = 209 m/s
Mechanism = Strike slip

T_p = 4.4 s
PGV = 36.7 cm/s

Orientation of strongest pulse, relative to north = 226 degrees
Orientation of strongest pulse, relative to fault parallel = 83 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.76
s = 38.13 km
θ = 10.5

Y = 0.65
d = 8.44 km
φ = 48.4

IDP = 3.25
Rowshandel parameter = 0.4

Notes:

These results were computed November 1st, 2012
These results are based on the June 2012 version of the NGA West 2 database
If you have any observations, comments or requests regarding this data, please e-mail Jack Baker and Shrey Shahi

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