MANILA, Philippines — Another aftershock from the Mindanao quake last June jolted Balut Island in Sarangani on Saturday afternoon, July 25, the Philippine Institution of Volcanology and Seismology (Phivolcs) reported. In its earthquake bulletin, a 4.8 magnitude earthquake struck Balut Island at 2.46 p.m. The epicenter was found 10 kilometers southwest of the island with
