What is the expected number of an M 8.0 or Mercalli XII earthquakes per year?
A)1
B)13,000
C)800
D)120

Question

Quizplus · Accepted Answer

The occurrence of an M 8.0 or Mercalli XII earthquake is very rare and may happen only once in a few decades. Therefore, the expected number of such earthquakes per year is very low and can be considered negligible. Option A, 1 earthquake per year, is the best choice as it represents the low probability of such an event occurring annually.

What Is the Expected Number of an M 8