TABLE 1. REGIONAL VELOCITY STRUCTURE

Vp 	 Vs 	 Density  Thick. Depth  Qp 	 Qs  
(km/s)  (km/s)   (g/cm^3) (km) 	 (km) 	 	

3.80 	 1.98 	 2.30 	  1.5 	 1.5  	 100 	  30 
5.50 	 3.15 	 2.60 	  2.5 	 4.0  	 600 	 300 
6.20 	 3.52 	 2.70 	  22.0 	 26.0 	 600 	 300 
6.80 	 3.83 	 2.87 	  6.0 	 32.0 	 600 	 300 
8.00 	 4.64 	 3.50 	     	      	 600 	 300