Delhi and NCR was jolted again by strong tremors on Friday night. While this was the first massive jolt in 2021, government data shows the year 2020 was full of mild earthquakes for the National Capital Region. According to the ministry of earth sciences, a total of 964 earthquakes of magnitude 3 and above were recorded last year and 13 of them were in the Capital Region and its vicinity, the Hindustan Times has reported. Earth Sciences minister Dr Harshh Vardhan recently informed the Lok Sabha that the ministry is exploring possibilities to take up a pilot study on earthquake early-warning system.