Laguna del Desierto incident Laguna del Desierto incident The Laguna del Desierto incident, in Argentina called also Battle of Laguna del Desierto, occurred between four Chilean Carabineros and between 40 and 90 members of the Argentine Gendarmerie and took place in zone south of O'Higgins/San Martín Lake on 6 November 1965, resulting in one lieutenant killed and a sergeant injured, both members of Carabineros, creating a tense atmosphere between Chile and Argentina. The British award of 1903 considered the demands of Chile and Argentina as irreconcilable and previous authorization of both governments draw a boundary between the extreme pretensions of the litigants. In the
Laguna del Maule (volcano) form the so-called Mariposa geothermal system discovered in 2009, whose temperature has been estimated on the basis of gas chemistry to be . One estimate puts the potential productivity of Laguna del Maule as an energy source at . Subduction of the eastern part of Nazca plate beneath the western margin of the South America Plate occurs at a rate of about , a process which is responsible for events such as the 1960 Valdivia earthquake and the 2010 Chile earthquake. This subduction process is responsible for the growth of the Chilean Andes and the volcanic and geothermal manifestations therein.