Two earthquakes with magnitudes 5.2 and 5.7 jolted Davao Oriental early Thursday, the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. Phivolcs director Renato Solidum Jr. said both earthquakes were caused by the movement along the Philippine Trench. The magnitude 5.2 quake -- an aftershock of the magnitude 5.5 quake that jolted Tarragona, Davao … [Read more...] about Magnitudes 5.7, 5.2 quakes jolt DavOr