Cotabato City News : November 6, 2011, 7:53 pm : 5.1 magnitude earthquake rocks Cotabato area: COTABATO CITY, Nov. 6 (PNA) - A mild earthquake rocked mainland Mindanao early Sunday morning but there was not reported casualties or damages to properties, the Philippine Institute of Volcanology and Seismology (Phivolcs) said today.......More »