New Delhi, Nov 12 (ANI): Four earthquakes within a period of 3 hours shook the National Capital Region (NCKochi, Nov 12 (ANI): Britain's Prince of Wales, Charles and his wife, Camilla, got a colourful welcome to the city of Kochi in Kerala recently, as the couple enjoyed an evening of traditional dances and martial arts during the last leg of their India trip. The couple visited Kerala Folklore Theatre, which houses the country's largest collection of traditional performing art costumes. The royals were first garlanded and then enticed to the classical moves of Kathak, which is one of the most dynamic theatres arts in the world. The royal couple's visit ends on November 14 when they leave for Sri Lanka to attend the Commonwealth Heads of Government Meeting in Colombo.R) on early Tuesday, with no reports of casualties or major damage. The first tremor of magnitude 3.1 was felt in Delhi and occured at 12:41am. Its epicentre was Delhi, according to an IMD report. This was followed by three more tremors of 3.3, 2.5 and 2.8 magnitude at 1:41, 1:55 and 3:40 AM, the report said.