EXPLAINER: What is a coastal uplift?

MANILA, Philippines — The coastlines in Sarangani and Davao Occidental are now the focus of scientific investigations after the magnitude 7.8 earthquake that struck Mindanao on June 8 exposed coral reefs that were once submerged. As the Philippine Institute of Volcanology and Seismology (Phivolcs) explained, the phenomenon is called coastal uplift, a vertical deformation of