Picture used for illustrative purposes only.
The agency said aftershocks could be expected, but the earthquake, which struck at a depth of 112 km (69.6 miles), was unlikely to cause damage.
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"Because this is deep, a large area experienced the quake," Renato Solidum, head of Phivolcs, told DZMM radio station, adding there was no threat of a tsunami. The earthquake's epicentre was in Mindoro province and it was felt in the capital, Manila.
The Southeast Asian country is on the geologically active Pacific Ring of Fire and experiences frequent earthquakes, particularly in the south.
A powerful 7.1 magnitude earthquake struck the northern Philippine island of Luzon on Wednesday killing at least five people, damaging buildings and sending strong tremors through the capital, Manila.
Turkish emergency authority also reported the rescue of 14-year-old Idil Sirin in Bayrakli, 58 hours after the quake hit, levelling buildings in both Turkey and Greece. But the family's joy was brief as the lifeless body of Idil's sister, Ipek, was found.
A powerful earthquake struck near the Philippines city of Davao on Sunday, the U.S. Geological Survey said, the latest tremor to strike the southern part of the country in recent months, causing damage to buildings but no tsunami.
A Pakistani Sikh businessman and a Christian cleaner were shot dead by unknown assailants in separate incidents in the northwestern city of Peshawar, police said on Saturday.
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