Tsunami ⁠warnings were issued after an ⁠earthquake of magnitude 7.8 struck off Mindanao in the southern Philippines on Monday, the German Research Centre for Geosciences (GFZ) said. The quake struck at a depth of 10km (six miles), GFZ said. The geophysics agencies of the Philippines, Japan and Indonesia issued tsunami warnings. There were no immediate reports of major damage. GFZ had earlier pegged the earthquake at 8.2. The US Tsunami Warning System issued ⁠a tsunami threat to the...