Question

The strongest recorded earthquake was in Chile in 1960 and had an intensity of 316227.77 cm. What was its magnitude? (Round your answer to one decimal place.)

Answer 1

5.5

Explanation:

earthquake is measured with the Ritcher Scale:

R (Magnitude) = ㏒base 10 (I)

where I = Intensity

thus,

R = ㏒ base 10 (316227.77)

R ≅ 5.5