Magnitude 6.6 earthquake hits Philippines' Luzon island, jolts buildings

Manila: An earthquake of magnitude 6.6 hit the Philippines` northern island of Luzon on Friday and was felt in the capital Manila, shaking buildings and forcing the evacuation of offices and schools.

There were no immediate reports of deaths or injuries in the earthquake, which the United States Geological Survey said struck 47 km (29 miles) northwest of Luzon, at a depth of 168 km.

The Philippines is on the geologically active Pacific Ring of Fire and experiences frequent earthquakes.