Manila, Philippines – The Philippine Institute of Volcanology and Seismology (Phivolcs) announced a magnitude 6.6 earthquake struck 16 kilometers southwest of Calatagan, Batangas on July, 24, 2021 (Saturday) morning. The Philvocs said that the epicenter of the earthquake hit at around 4:49 a.m. had a depth of 116 kilometers and it was caused by a [...]