Islamabad: An earthquake of medium intensity jolted several parts of the country including the Federal capital Islamabad.People came out of homes and offices reciting Kalima Tayyaba.According to the Pakistan Meteorological Department, the intensity of the earthquake was recorded 5.7 on the Richter's Scale with 10 kilometers depth. The epicenter of the quake was near Dera Ghazi Khan.The tremors were felt were felt in other areas of Punjab and Khyber Pakhtunkhwa.