1978 Tabas, Iran, Tabas

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 143

Magnitude = 7.4
Closest Distance = 2.1 km
Hypocentral Distance = 55.54 km
Vs30 = 767 m/s
Mechanism = Reverse-oblique

T_p = 6.19 s
PGV = 129.7 cm/s

Orientation of strongest pulse, relative to north = 0 degrees
Orientation of strongest pulse, relative to fault parallel = 30 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.6
s = 53.92 km
θ = 12.6

Y = 0.32
d = 11.27 km
φ = 0.6

IDP = 0.8
Rowshandel parameter = 0.28

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

Previous pulse	Back to summary page	Next pulse