A magnitude 6.8 earthquake struck offshore near Glan town in Sarangani province, early Saturday morning, the United States Geological Survey said.
The tremor struck at a depth of 26 kilometers around 4:23 a.m., the USGS said.
The USGS recorded the quake initially at magnitude 7.2 before revising it.
The Philippine Institute of Volcanology and Seismology (Phivolcs) said it recorded the earthquake at magnitude 7.2.
The Department of Labor and Employment (DoLE) is conducting nationwide job fairs on May 1, 2017 (Labor Day), to celebrate the first Labor Day under the administration of President Rodrigo R. Duterte.
The labor department aims to bring job and business fairs in various areas in the 17 regions throughout the country. More than 50 job and business fairs are anticipated to cater thousands of jobseekers.