LUCENA CITY — A magnitude 4.3 earthquake struck the island municipality of Burdeos in Quezon province on Thursday afternoon (July 30), the Philippine Institute of Volcanology and Seismology (Phivolcs) reported. Phivolcs said the tectonic earthquake occurred at 4:04 p.m., with its epicenter located about 45 kilometers northeast of Burdeos. It had a depth of 10 kilometers. A tectonic earthquake is caused by the sudden movement of faults or the shifting of tectonic plates beneath the Earth’s surface. READ: Magnitude 5.6 quake hits off Quezon town; aftershocks expected The agency said the tremor is not expected to cause damage or generate […]...Keep on reading: Magnitude 4.3 earthquake shakes Quezon island town