generate questions: New Delhi lies on several fault lines and thus experiences frequent earthquakes, most of them of mild intensity. There has, however, been a spike in the number of earthquakes in the last six years, most notable being a 5.4 magnitude earthquake in 2015 with its epicentre in Nepal, a 4.7-magnitude earthquake on 25 November 2007, a 4.2-magnitude earthquake on 7 September 2011, a 5.2-magnitude earthquake on 5 March 2012, and a swarm of twelve earthquakes, including four of magnitudes 2.5, 2.8, 3.1, and 3.3, on 12 November 2013.
What was the magnitude of the notable 2015 earthquake that shook New Delhi? {sep_token} A 4.7 magnitude earthquake that affected New Delhi occurred on what date? {sep_token} What was the magnitude of the earthquake that affected New Delhi on September 2011? {sep_token} How many earthquakes occurred on March 5, 2012? {sep_token} What is the geographical feature New Delhi lies on that is responsible for frequent earthquakes? {sep_token}