Multiple choice

Earthquake of following magnitudes on the Richter scale were recorded in an isolated unpopulated area: (a) 2 (b) 5 (c) 8 (d) 9 Which of them would have been highly destructive had it/they occured in a populated area?

  1. (a) and (b) only

  2. (c) and (d) only

  3. (d) only

  4. All of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Really destructive earthquakes have magnitudes higher than 7. Hence, option (2) is correct.