Use the Earthquake Magnitude Scale to Answer the Question $\left( 5 \times 10 ^ { 15 } \text { joules } \right)$

Use the earthquake magnitude scale to answer the question.
-Compare the energy of a magnitude 6 earthquake to that released by a 1-megaton nuclear bomb $\left( 5 \times 10 ^ { 15 } \text { joules } \right)$

A) 133.3 times as much energy
B) 200.0 times as much energy
C) 114.3 times as much energy
D) 20.8 times as much energy