Three-Dimensional Seismic Response Analysis of Zhubi Reef in the South China Sea

Table 1

Topographic and material parameters of the Zhubi Reef model.

Parameter	Layer 1	Layer 2	Layer 3	Seabed	Seawater
Velocity of shear wave cs (m/s)	500	1800	2200	2200	0
Velocity of compression wave cp (m/s)	1225	4485	5000	5000	1450
Mass density ρ (kg/m^3)	2000	2400	2700	2700	1025
Material damping ratio ζ	0.05	0.05	0.025	0	0
Height H (m)	20	80	700	400	800