In a terrifying episode that unfolded on Friday, the southern Philippines found itself in the throes of chaos following a powerful undersea earthquake, registering 6.8 magnitude. The seismic upheaval, originating 69 kilometers (43 miles) southeast of Sarangani in Davao Occidental province, sent shockwaves across Mindanao, leaving residents and shoppers grappling with a surreal and fearful reality. Eyewitness accounts painted a …