DAVAO - A strong earthquake jolted the southern Philippines yesterday, killing at least one person and causing a three-storey building to collapse, setting off a search for people feared to have been trapped inside, officials said.

The magnitude-6.8 quake was centred 61km south-west of Davao on the island of Mindanao, at a depth of 28.2km, the United States Geological Survey said, revising down the magnitude from an earlier 6.9.