BEIJING, Jan. 19 (Xinhua) -- An earthquake with a magnitude of 6.4 jolted 29 km WSW of Pocito, Argentina at 0246 GMT on Tuesday, the U.S. Geological Survey (USGS) said.
The epicenter, with a depth of 20.0 km, was initially determined to be at 31.8184 degrees south latitude and 68.8473 degrees west longitude.