A strong 6.4-magnitude earthquake shook southern Philippines on Saturday at around 3:16 pm  which was followed by three aftershocks more than two hours later, sending frightened residents fleeing from buildings, officials and eyewitnesses said. The quake struck off the coast of the southern town of Manay in Davao Oriental at about 3:16 pm (0716 GMT) at a depth of 14 kilometers (8.6 miles), the Philippine Institute of Volcanology and Seismology (Phivolcs) said in a […]