MANILA: A magnitude 5.2 earthquake hit the Philippines on Friday, the US Geological Survey said, shaking buildings in the capital, but there were no reports of casualties or damage.The shallow quake struck about 100 kilometres (62 miles) south of Manila at 8:24 am (0024 GMT) and sent students and office workers fleeing from their buildings."So far everything's okay. No casualties although this is the epicentre," said Rafael Cuevas, a disaster agency official in Calaca city in Batangas province."We felt a strong shake... for less than 10 seconds."