Mount Martin and Alagogshak Volcanoes, Katmai, Alaska

Summit of Mount Martin showing active fumaroles and small acidic lake.  Image courtesy SR Wood, US NPS, Katmai

Are Exceptionally Violent Volcanic Eruptions More Common Than We Think? Part 2 of 2

Landsat image of Lake Taupo on New Zealand North Island.  Image courtesy NASA Landsat, 2005 via Wiki