Jakarta, Jan 18 (Reporter) An earthquake with a magnitude of 5.0 struck off Indonesia's eastern province of Papua on Thursday, the country's Meteorological, Climatological and Geophysical Agency said. The earthquake jolted at 01:29 a.m. Jakarta time on Thursday (1829 GMT on Wednesday), the agency reported. The epicenter was located 46 km southwest of Keerom Regency with a depth of 62 km, it said. No tsunami warning was issued. No damage or casualties were caused by the quake, provincial disaster agency official William Manderi told Xinhua. Indonesia, an archipelagic nation, has been frequently jolted off by earthquakes for its location on a vulnerable quake-jolted area called "the Pacific Ring of Fire...////...