2000 Yountville, Napa Fire Station #3

Ground motion information:

NGA Record Sequence Number 1853

Magnitude = 5
Closest Distance = 11.5 km
Hypocentral Distance = 14.15 km
Vs30 = 387 m/s
Mechanism = Strike slip

T_p = 0.74 s
PGV = 42.4 cm/s

Orientation of strongest pulse, relative to north = 66 degrees
Orientation of strongest pulse, relative to fault parallel = 84 degrees
Pulse in fault normal direction = 1
Pulse due to directivity = 0

Comments:

No finite fault model--hard to tell

Directivity parameters:

X = 0.46
s = 1.61 km
θ = 26.7

Y = 0.75
d = 2.36 km
φ = 23.7

IDP = Unknown
φ = Unknown