The extent of damage caused by earthquake is not influenced by which one of the following

Which of the following is not cause of origin of Earthquakes?

Which one of the following statements about earthquake waves is not correct?

Which one of the following is the other term used for ‘Focus’ in relation with an earthquake?

Which one of the following statements about primary waves of earthquakes is not correct?

Which one of the following earthquakes is very severe and disastrous ?