Location of earthquake recorded in the Philippines on June 8, 2026 Reproduction/USGS An 8.2 magnitude earthquake struck the island of Mindanao, in the Philippines, on Monday (Sunday night, the 7th, Brasília time), reported the German Research Center for Geosciences (GFZ). A tsunami warning has been activated for regions of the country and neighboring Indonesia. The epicenter of the quake occurred at a depth of 10 km (6.2 miles), according to the GFZ. Mindanao is the second largest island in the Philippines in terms of extension and is located in the south of the archipelago. It has 27.3 million inhabitants, making it the seventh most populous island in the world.