Question
If one earthquake has magnitude 6.5 on the Richter Scale, what is the magnitude of another quake that is 55 times as intense? Round it to the nearest tenth (Hint: M = log(I/S))
A) 8
B) 8.3
C) 8.7
A) 8
B) 8.3
C) 8.7
Answers
oobleck
log 55 = 1.74
6.5+1.74 = 8.24
6.5+1.74 = 8.24