Urgent: 5.4-magnitude quake hits 102 km NNW of San Antonio de los Cobres, Argentina -- USGS

BEIJING, Jan. 21 (Xinhua) -- An earthquake with a magnitude of 5.4 jolted 102 km NNW of San Antonio de los Cobres, Argentina at 0236 GMT on Sunday, the U.S. Geological Survey said. ■