The latest earthquake was on 02- 01- 2011 in Argentina, the quake was a 4.6 Mb, the depth of the earthquake is 321 miles. The earthquake is 927 miles from Buenos Aires. The earthquake is parity big but it is small compared to the other earthquakes that happened in Argentina. I got this info from a universal site that shows and tells you about earthquakes that happened around the world. http://www.zamg.ac.at/geophysik/bebenkarte/quakes/2011032_evid52399353/evid52399353.html.en.utf8