Sri Lanka, Oct. 17 -- A magnitude 6.1 earthquake jolted southern Philippines on Friday (Oct 17), the United States Geological Survey said, a week after two powerful quakes hit the country.

There were no immediate reports of casualties or damage, provincial rescuer Ralph Cadalena told AFP.

"We felt a sudden strong shake, but it was only for a very short time," Cadalena said.

The tremor struck near Dapa municipality in Surigao del Norte province at a depth of around 69km, USGS reported.

It came a week after two quakes of 7.4 and 6.7 magnitude shook the eastern section of the main Mindanao island, killing at least eight people.

These followed a magnitude 6.9 earthquake days earlier that killed 76 people and destroyed or damaged 72,000 h...