MANILA, Philippines — A magnitude 6.7 earthquake struck off Balut Island in Davao Occidental late Tuesday afternoon, according to the Philippine Institute of Volcanology and Seismology (Phivolcs). The earthquake occurred at 5:48 p.m., 368 kilometers (kms) southeast of Balut Island, Sarangani, Davao Occidental, Phivolcs said. It had a depth of focus of 10 kilometers, and