What triggered the powerful magnitude 7.8 earthquake in Mindanao?

AI Summary

An 8.2 magnitude earthquake struck off Mindanao in the southern Philippines on June 8, 2026, at a depth of 10 kilometers, triggering tsunami warnings across the Philippines, Indonesia, Japan, and surrounding regions. Authorities issued evacuation orders for residents in coastal areas of at least nine provinces, with tsunami waves expected within three hours. No immediate casualties were reported as regional authorities assessed the situation.