BEIJING, March 5 (Xinhua) -- An earthquake with a magnitude of 5.5 jolted 39km S of Tinogasta, Argentina at 06:57:42 GMT on Thursday, the U.S. Geological Survey said.

The epicenter, with a depth of 115.34 km, was initially determined to be at 28.4144 degrees south latitude and 67.5044 degrees west longitude.