Several parts of Pakistan, including the federal capital, were today rocked by an earthquake measuring six on the Richter scale. The quake, which had its epicentre in the Hindu Kush mountain range and occurred at about 4.15 am, shook Islamabad, the North West Frontier Province, parts of Punjab province and the Northern Areas. The local met office said. There were no reports of loss of life or damage to property. Many parts of Pakistan were rocked by an earthquake measuring 5.9 on the Richter scale on Sunday.