Category
page 1Calderas

caldera
thumb|right|Mount Mazama's eruption timeline, an example of caldera formation
Coco Island
island in the Pacific Ocean administered by Costa Rica
Fernandina Island
Western island in the Galapagos Archipelago in Ecuador
Medvezhya
Medvezhya (; , Moyoro-dake) is a volcanic complex located at the northern end of Iturup Island, Kuril Islands, Russia.
Rheniite, a rhenium sulfide mineral (ReS2), was discovered within the active hot fumaroles of the volcano in 1994
Brukkaros Mountain
mountain in Namibia