How Do We Know about Layers Deep within Earth?
ES0402  Find Out More About Seismic Tomography

  !   For further exploration of seismic tomography and modeling of Earth’s interior, explore the links below.
NASA
Tomographic data were used to produce a convection model of Earth's mantle.

Modeling the Mantle

Mapping Mantle Plumes

3-D Structure of Earth 



	

 	

		
			
	

	
	

		 
		 	 Step:
		 		
		           
			     
				    
				    
						
	                 	
						 1 
						
		           
			     
				    
				    
						
	                 	
						 2 
						
		           
			     
				    
				    
						
	                 	
						 3 
						
		           
			     
				    
				    
						
	                 	
						 4 
						
		           
			     
				    
				    
						
	                 	
						 5 
						
		           
			     
				    
				    
						
	                 	
						 6 
						
		           
			     
				    
				    
						
	                 	
						 7 
						
		           
			     
				    
				    
						
	                 	
						 8 
						
		           
			     
				    
				    
						
	                 	
						 9 
						
		           
			     
				    
				    	
						 10 
						
		           
			     
				   11