A strong magnitude 6.2 earthquake occurred at 15:34:47 (UTC) on Saturday, July 21, 2007, in the Jujuy region, Argentina, 140 km SW of Tarija, Bolivia, at a depth of 247.1 km.
A strong magnitude 6.7 earthquake occurred at 01:26:34 (UTC) on Monday, November 13, 2006, in the Santiago del Estero region, Argentina, 210 km ENE of San Miguel de Tucuman, Argentina, at a depth of 550.4 km.
A strong magnitude 6.0 earthquake occurred at 02:32:24 (UTC) on Friday, September 22, 2006, in the Santiago del Estero region, Argentina, 165 km NorthEast of Santiago del Estero, at a depth of 577 km.
A strong magnitude 6.1 earthquake occurred at 09:34:09 (UTC) on Sunday, September 17, 2006, in the San Juan region, 145 km East of San Juan, Argentina, at a depth of 105.2 km.
A strong magnitude 6.0 earthquake occurred at 13:30:57 (UTC) on Tuesday, September 12, 2006, in the La Rioja region, 190 km WNW of La Rioja, Argentina, at a depth of 123.8 km.
A strong magnitude 6.4 earthquake occurred at 00:44:43 (UTC) on Friday, August 25, 2006, in the Salta region, WNW of Salta, Argentina, at a depth of 156.8 km.