CITY OF CALAPAN – A magnitude 4.1 earthquake shook Santa Cruz, Occidental Mindoro, at 2:54 p.m. on Friday, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. READ: Magnitude 4.9 quake hit waters off Occidental Mindoro Phivolcs said the tectonic tremor struck 15 kilometers northeast of Santa Cruz at a depth of 26 km. It was recorded at Instrumental Intensity II in Puerto Galera, Oriental Mindoro. The agency explained that sudden movements along faults and plate boundaries trigger tectonic quakes. No damage or aftershocks were expected from the tremor./coa... Keep on reading: Magnitude 4.1 quake hits Santa Cruz, Occidental Mindoro