A strong earthquake hit the southern Philippines and the north of Indonesia on Sunday evening, but did not generate a tsunami, authorities in both countries said according to dpa. A quake with a magnitude of 6.4 jolted the southern Philippines, with the epicentre located at sea off Don Marcelino town on Mindanao island, about 1,000 kilometres south of Manila, the Philippine Institute of Volcanology and Seismology (Phivolcs) said. The jolt was felt as a magnitude-6.9 undersea earthquake north-west of Indonesia's Talaud Islands, north of Sulawesi island, Indonesia's climatology and geophysics agency BMKG said. The tremor struck in the late evening at 1523 GMT. Phivolcs warned of aftershocks, but said it was not expecting damage from the earthquake.