KORONADAL CITY — Residents of Davao Occidental and Sarangani rushed out of their homes or shops as two earthquakes jolted Regions 11 (Davao) and 12 (Soccsksargen) Wednesday morning, reviving fears months after a major tremor. A magnitude 5.5 quake first struck at 7:43 a.m. on Wednesday, followed by a magnitude 5.4 tremor at 9:11 a.m.