Philippine Star Quake jolts parts of Mindanao Philippine Star MANILA, Philippines - A 4.6 magnitude quake shook some parts of Mindanao, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported on Wednesday. The Phivolcs said the epicenter of the tremblor, which happened around 2:36 p.m., was ... and more » Continue reading...