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A powerful earthquake measuring 7.8 on the Richter scale struck the coast of Mindanao, a southern island of the Philippines, killing three people and injuring four. The earthquake caused the collapse of some buildings and significant damage, leading to tsunami warnings in some Asian countries. President Ferdinand Marcos has activated national disaster agencies and urged coastal residents to move to higher ground immediately. The Pacific Tsunami Warning Center estimates that waves of up to three meters could reach the Philippine coast.