Assertion: hudson volcano | /r/PartOf | the southern volcanic zone
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text: Hudson volcano still belongs to the Southern Volcanic Zone, related to the subduction of the Nazca Plate, but it is close to the triple junction of the Nazca-Antarctica-South American tectonic plates and located immediately north of the 300 km long Patagonian Volcanic Gap (46–49°S), where no recent volcanism has occured during the past 8 million years, as a result of the complex subduction of the Chile Rise spreading zone under South America at the Taitao Peninsula.- Charles R. Stern (2004)