India, June 8 -- The German Research Centre for Geosciences said on Monday that Tsunami warnings were issued after an earthquake of magnitude 7.8 struck off Mindanao in the southern Philippines. The quake occurred at a shallow depth of about 10 km.

The earthquake reportedly forced coastal evacuations and disrupted power and communications in areas near the epicentre. The German Research Centre for Geosciences (GFZ) initially revised the quake's strength from 7.3 to 8.2, before finally settling on a magnitude of 7.8.

Authorities in the Philippines, Indonesia and international monitoring agencies issued tsunami alerts following the quake. People living along vulnerable coastlines were urged to move to higher ground.

"We advise people to ...