"The earthquake which registered a Magnitude 6.1 on the Richter Scale was also felt an Intensity 4 in Mati, Davao Oriental; at Intensity 3 in Bislig, Surigao del Sur and Cagayan de Oro City, Misamis Oriental; and at Intensity 2 in Butuan City and Davao City," Phivolcs said.
According to Phivolcs, the earthquake was triggered by movement of the Philippine Fault Zone which traverses the Philippine Archipelago from Luzon to Mindanao. Felix delos Santos