How much greater is the shaking produced by a magnitude 8 earthquake than a magnitude 5 earthquake using the richter scale?
a. 10,000 times greater
b. 100 times greater
c. 3,000 times greater
d. 1,000 times greater

The shaking produced by a magnitude 8 earthquake is 3000 times greater than a magnitude 5 earthquake using a Richter scale. The answer is letter C. As the number in the Richter scale increases, the magnitude of earthquake also increases.

answer: option c.

explanation:

pythagoras' theorem

square root (-5^2+9^2)

square root (25+81)

square root (106)

angle is tan^-1(9/5)

neg x, pos y