Volcan Darwin, Galapagos Islands, Ecuador

Satellite photo of Volcan Darwin and satellite pyroclastic cones Tagus and Beagle at lower left.  Screen capture from Google Maps

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Lanin and the Huanquihue Volcanic Group, Argentina

Blocky, partly forested Escorial lava flow.  Looking S across Lago Epulafguen toward its source, Achen – Niellu pyroclastic cone.  A’a lava flow is 200 – 400 years old.  Image courtesy Hecto Osvaldo Gonzalez, 2007 via Smithsonian GVP