Two mild earthquakes shook the province of Surigao del Sur early this morning (September 21, 2015), Philippine Institute of Volcanology and Seismology (Phivolcs) said. The Phivolcs bulletin said a 3.1 magnitude earthquake occurred 12 kilometers (km) southeast of Cortes town in Surigao del Sur at around 4 a.m., with a depth of 27 km, it […]
