Major quake off Philippines kills three, triggers tsunami warnings

Philippine authorities urged people in affected coastal regions to move to higher ground after the offshore quake hit south of General Santos, a city of about 720,000. A series of powerful aftershocks rocked the area from about two hours after the first quake, according to the United States Geological Survey, with the largest measuring 6.5 on the Richter scale. Videos posted to social media and verified by