1992 Landers, Yermo Fire Station

Ground motion information:

NGA Record Sequence Number 900

Magnitude = 7.3
Closest Distance = 23.6 km
Hypocentral Distance = 86.28 km
Vs30 = 354 m/s
Mechanism = Strike slip

T_p = 7.5 s
PGV = 55.8 cm/s

Orientation of strongest pulse, relative to north = 238 degrees
Orientation of strongest pulse, relative to fault parallel = 77 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 1

Comments:

no comment

Directivity parameters:

X = 0.92
s = 65.81 km
θ = 17.2

Y = 0.47
d = 7 km
φ = 50.6

IDP = 4.1
Rowshandel parameter = 0.73