A powerful earthquake measuring 7.4 on the Richter scale struck the southern Philippine island of Mindanao, prompting authorities to issue a tsunami warning and urge coastal residents to move to higher ground. Officials also warned of possible aftershocks following the strong tremor that shook the region.

The Philippine Institute of Volcanology and Seismology (PHIVOLCS) issued a warning of potentially dangerous tsunami waves, stating that the first waves were expected to reach the country’s shores between 9:43 a.m. and 11:43 a.m. (PST) on October 10 and could continue for several hours. Wave heights were forecast to exceed one meter above normal tides, with even higher surges possible in enclosed bays and straits. PHIVOLCS also revised the earthquake’s magnitude from an initial 7.6 to 7.5

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