(Eagle News)–A 4.0-magnitude earthquake struck off Ilocos Sur on Saturday, Sept. 25. The Philippine Institute of Volcanology and Seismology said the quake hit at 6:08 a.m. It had its epicenter 34 kilometers southwest of Santa Catalina. The depth of focus was 39 kilometers. The following intensity was reported: Sinait, Ilocos Sur- Intensity III No damage to property nor aftershocks were reported.