Manila, June 15 (IANS) An earthquake measuring 6.2 on the Richter scale jolted Batangas province in the northern Philippines on Thursday. The Philippine Institute of Volcanology and Seismology said the quake, which occurred at 10.19 a.m. (local time), hit at a depth of 103 km, about 4 km southwest of Calatagan town, southwest of Manila, […]