MANILA - A 5.7-magnitude earthquake struck the southern Philippine island group of Mindanao at around 10.30am on Sunday (Sept 4), the Philippine Institute of Volcanology and Seismology (Phivolcs) reported.

The quake struck at a shallow depth of 11km, near La Paz town in Agusan del Sur province, 1,200km south of hte capital Manila, according to Phivolcs.

It was felt in Butuan and Cagayan de Oro, urban centres in north-eastern Mindanao, and in Kidapawan city in central Mindanao.

The United States Geological Survey measured it at 6.1-magnitude.

There were no immediate reports of any casualties or damage, and no tsunami warning.