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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A VOLCANO WITH A TRAPDOOR – SIERRA NEGRA CALDERA (Galápagos, EC)

Volcán Chico, cinder cone on the north-eastern rim of the caldera Sierra Negra (© Michael R Perry, via wikimedia).

Sierra Negra volcano in the Galápagos Islands has piqued our attention once again. Reports of renewed activity are getting more convincing by the month. Here we are again – as advertised – at a “second largest caldera” or, more often even “second largest crater” in the world”… NOT! It seems that everyone accepts Yellowstone with its

May – June 2015 eruption of Wolf Volcano

Initial phase of eruption. ABC News.