According to the moment magnitude scale (Mw),a magnitude 8 earthquake would be 1,000 times greater than a magnitude ________ earthquake.
A)9
B)5
C)7
D)4

Question

Quizplus · Accepted Answer

According to the moment magnitude scale, each increase in magnitude of 1 represents a tenfold increase in amplitude and roughly a 32-fold increase in energy released. Therefore, a magnitude 8 earthquake would release about 31,623 times more energy than a magnitude 5 earthquake.

According to the Moment Magnitude Scale (Mw),a Magnitude 8 Earthquake