1954 Northern Calif-03, Ferndale City Hall



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 20

Magnitude = 6.5
Closest Distance = 27 km
Hypocentral Distance = 32.37 km
Vs30 = 219 m/s
Mechanism = Strike slip

Tp = 2 s
PGV = 40.3 cm/s

Orientation of strongest pulse, relative to north = 19 degrees
Orientation of strongest pulse, relative to fault parallel = 47 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 0


Comments:

no comment

Directivity parameters:


X = 0.35
s = 5.25 km
θ = 36.01

Y = 0.66
d = 5.99 km
φ = 61.09

IDP = Unknown
φ = Unknown


Notes:



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