The death toll from a 7.8-magnitude quake in the southern Philippines on Monday has reached at least 15, with more than 100 people injured, disaster agency officials said.

Twelve people were killed in the Soccksargen region of Mindanao island, regional civil defence director Rodrigo Sosmena said, adding 129 people had been injured there.

Three more fatalities were recorded in Davao Occidental province.