COTABATO CITY — A magnitude 4.0 earthquake that jolted Moro Gulf Sunday morning has affected the provinces of Zamboanga del Sur, Lanao del Sur, and Maguindanao, according to the Philippine Institute of Volcanology and Seismology (Phivolcs). Phivolcs reported that the quake, tectonic in origin, struck at 9:10 a.m. Its epicenter was traced 65 kilometers east of […]