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The Focal Depth Ranges for Shallow Focus,intermediate Focus,and Deep Focus

Question 53

Multiple Choice

The focal depth ranges for shallow focus,intermediate focus,and deep focus earthquakes,respectively is

A) <70 km; 70 to 300 km; >300 km
B) <5 km; 5-50 km; >50 km
C) <1 km; 1-10 km; >10 km
D) <20 m; 20 m -100 m; >100 m

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