(Eagle News) — A 3.9-magnitude earthquake struck Surigao del Norte on Monday, Oct. 28. The Philippine Institute of Volcanology and Seismology said the quake, of tectonic origin, hit 8 kilometers northeast of Anao-aon, San Francisco at 6:33 a.m. Depth of focus was 12 kilometers. An intensity II was felt in Surigao City. No damage to property nor aftershocks were recorded.