An offshore earthquake with a preliminary magnitude of 7.6 hit off a southern Philippine province and may cause a tsunami. Officials ordered evacuations in coastal areas near the epicenter of the quake Friday morning. The Philippine Institute of Volcanology and Seismology said it was expecting damage and aftershocks from the earthquake, which was centered at sea southeast of Manay town in Davao Oriental province. The Pacific Tsunami Warning Center in Honolulu said hazardous waves were possible within 186 miles of the epicenter. The forecast included nearby coasts of the Philippines, Indonesia and Palau.