01.01.2011, Washington 14:18:57. 6.9 magnitude earthquake occurred in northern Argentina in a rural location 150km from g.Santyago del Estero, reports Reuters. The epicenter was located at a depth of 563 km. Information on casualties or damage were reported.
Earthquakes have been recorded by the USGS.
Note, according to the Chinese Geological Survey earthquake magnitude was 7.1.