2009 L'Aquila, Italy, L'Aquila - V. Aterno -F. Aterno

Ground motion information:

NGA Record Sequence Number 4482

Magnitude = 6.3
Closest Distance = 6.6 km
Hypocentral Distance = 10.36 km
Vs30 = 552 m/s
Mechanism = Normal

T_p = 1.18 s
PGV = 31.6 cm/s

Orientation of strongest pulse, relative to north = 69 degrees
Orientation of strongest pulse, relative to fault parallel = 70 degrees
Pulse in fault normal direction = 0
Pulse due to directivity = 1

Comments:

See Chioccarelli and Iervolino (2010) for more details about this earthquake.

Directivity parameters:

X = 0.23
s = 4.6 km
θ = 5.8

Y = 0.41
d = 6.57 km
φ = 44.9

IDP = 0.33
Rowshandel parameter = -0.38