Indonesian residents report mild tremorspublished at 05:35 BST
05:35 BST
Heyder Affan
BBC Indonesian
Desi, a teacher in Miangas Island, near the quake’s epicentre, said the tremors were mild and that as of around 10:00 local time (03:00 GMT), no tsunami had occurred.
She is now back to teaching her class.
Meanwhile, a resident in Manado, North Sulawesi, said the quake was felt there, and car horns could be heard blaring on the streets.
We reported earlier that Indonesian authorities have issued tsunami warnings for northern Sulawesi and Papua regions.