Travelers watching lava on Erta Ale volcano crater. Afar Region, Ethiopia, Africa. November 2014. - Enrique Lopez-Tapia
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Enrique Lopez-Tapia / Travelers watching lava on Erta Ale volcano crater. Afar Region, Ethiopia, Africa. November 2014.
Steam rising from the crater of Nyiragongo Volcano. Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015. - Christophe Courteau
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Christophe Courteau / Steam rising from the crater of Nyiragongo Volcano. Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015.
Lava Lake at night in the crater of Nyiragongo Volcano, Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015. - Christophe Courteau
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Christophe Courteau / Lava Lake at night in the crater of Nyiragongo Volcano, Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015.
Lava Lake at night in the crater of Nyiragongo Volcano, Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015. - Christophe Courteau
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Christophe Courteau / Lava Lake at night in the crater of Nyiragongo Volcano, Virunga National Park, North Kivu Province, Democratic Republic of Congo. September 2015.
Nyiragongo volcano at night, Virungas National Park, Democratic Republic of Congo February 2014. - Tom  Gilks
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Tom Gilks / Nyiragongo volcano at night, Virungas National Park, Democratic Republic of Congo February 2014.
Nyiragongo volcano lava lake, Virungas National Park, Democratic Republic of Congo February 2015. - Tom  Gilks
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Tom Gilks / Nyiragongo volcano lava lake, Virungas National Park, Democratic Republic of Congo February 2015.
Aerial view of crater lake in snowy mountain, near Landmannalaugar, Iceland, June 2014. - Pal Hermansen
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Pal Hermansen / Aerial view of crater lake in snowy mountain, near Landmannalaugar, Iceland, June 2014.
Quilota Crater Lake, Cotopaxi Province, Ecuador, September 2010. - Guy Edwardes
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Guy Edwardes / Quilota Crater Lake, Cotopaxi Province, Ecuador, September 2010.
Volcanic caldera - caldera lake steaming after eruption. Fernandina Island, Galapagos, Ecuador. - Tui  De Roy
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Tui De Roy / Volcanic caldera - caldera lake steaming after eruption. Fernandina Island, Galapagos, Ecuador.
Colorful layers of rock on the inside of Mount St Helens' crater, seen from the rim. Washington, USA. May 2013 - Floris van Breugel
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Floris van Breugel / Colorful layers of rock on the inside of Mount St Helens' crater, seen from the rim. Washington, USA. May 2013
Hverfjall crater at night, Myvatn, Iceland, March 2011 - Erlend Haarberg
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Erlend Haarberg / Hverfjall crater at night, Myvatn, Iceland, March 2011
Ljotipollur crater lake, Fjallabakka Nature Reserve, Iceland, August 2010 - Erlend Haarberg
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Erlend Haarberg / Ljotipollur crater lake, Fjallabakka Nature Reserve, Iceland, August 2010
Hverfjall Volcano crater, Myvatn, Iceland, May 2010 - Erlend Haarberg
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Erlend Haarberg / Hverfjall Volcano crater, Myvatn, Iceland, May 2010
Crater lake with reflections of clouds in the water, Queen Elizabeth National Park, Uganda, January 2009. - Nick Turner
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Nick Turner / Crater lake with reflections of clouds in the water, Queen Elizabeth National Park, Uganda, January 2009.
Mount Etna, with vegetation, Sicily, Italy, October 2007 - Juan  Carlos Munoz
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Juan Carlos Munoz / Mount Etna, with vegetation, Sicily, Italy, October 2007
Aerial view of pseudocraters, Lake Myvatn, Northern Iceland, July 2009 - Wild Wonders of Europe / Carward
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Wild Wonders of Europe / Carward / Aerial view of pseudocraters, Lake Myvatn, Northern Iceland, July 2009
Aerial view of Skutustadagigar pseudocrater, Lake Myvatn, Northern Iceland, June 2009 - Wild Wonders of Europe / Carwardine
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Wild Wonders of Europe / Carwardine / Aerial view of Skutustadagigar pseudocrater, Lake Myvatn, Northern Iceland, June 2009
Old cone in the "Valley del Bove" the eastern side of Mount Etna Volcano, Sicily, Italy, May 2009 - Wild Wonders of Europe / Grunewald
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Wild Wonders of Europe / Grunewald / Old cone in the "Valley del Bove" the eastern side of Mount Etna Volcano, Sicily, Italy, May 2009
Pseudocraters, Mvatn, Iceland, June 2008 - Wild Wonders of Europe / O Haarberg
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Wild Wonders of Europe / O Haarberg / Pseudocraters, Mvatn, Iceland, June 2008
Aerial view of Mabuyatom volcano, Lake Turkana, Great Rift Valley, Northern Kenya - Anup Shah
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Anup Shah / Aerial view of Mabuyatom volcano, Lake Turkana, Great Rift Valley, Northern Kenya
Aerial view inside crater of Mt Longohot, Mount Longonot NP, Kenya - Anup Shah
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Anup Shah / Aerial view inside crater of Mt Longohot, Mount Longonot NP, Kenya
Close up of Copernicus and Carpathian mountains of the Moon - Mark Payne-Gill
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Mark Payne-Gill / Close up of Copernicus and Carpathian mountains of the Moon
Marteles crater, Peaks Protected Landscape, Paisaje Protegido de las Cumbres, Gran Canaria Island, The Canary Islands. - Juan  Carlos Munoz
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Juan Carlos Munoz / Marteles crater, Peaks Protected Landscape, Paisaje Protegido de las Cumbres, Gran Canaria Island, The Canary Islands.
Molokini Crater, aerial shot of charter boats in crescent shaped islet. Maui, Hawaii. January 2018. - David Fleetham
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David Fleetham / Molokini Crater, aerial shot of charter boats in crescent shaped islet. Maui, Hawaii. January 2018.
View across crater of dormant Haleakala / East Maui Volcano. Haleakala National Park, Maui, Hawaii. March 2016. - David Fleetham
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David Fleetham / View across crater of dormant Haleakala / East Maui Volcano. Haleakala National Park, Maui, Hawaii. March 2016.
Hawai'i silversword (Argyroxiphium sandwicense macrocephalum) covered by an unusual snowfall near crater summit of dormant Haleakala / East Maui Volcano. Haleakala National Park, Maui, Hawaii. Feb... - David Fleetham
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David Fleetham / Hawai'i silversword (Argyroxiphium sandwicense macrocephalum) covered by an unusual snowfall near crater summit of dormant Haleakala / East Maui Volcano. Haleakala National Park, Maui, Hawaii. Feb...
Pu'u Loa petroglyphs along the Chain Of Craters Road, Hawaii Volcanoes National Park, Hawaii. - Kirkendall-Spring
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Kirkendall-Spring / Pu'u Loa petroglyphs along the Chain Of Craters Road, Hawaii Volcanoes National Park, Hawaii.
Pu'u Loa Petroglyphs along the Chain Of Craters Road, Hawaii Volcanoes National Park, Hawaii. - Kirkendall-Spring
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Kirkendall-Spring / Pu'u Loa Petroglyphs along the Chain Of Craters Road, Hawaii Volcanoes National Park, Hawaii.
Hiker crossing the Kilauea Iki Crater, Hawaii Volcanoes National Park, Hawaii. Model released. December 2016. - Kirkendall-Spring
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Kirkendall-Spring / Hiker crossing the Kilauea Iki Crater, Hawaii Volcanoes National Park, Hawaii. Model released. December 2016.
Hiker crossing the Kilauea Iki Crater, Hawaii Volcanoes National Park, Hawaii. Model released. December 2016. - Kirkendall-Spring
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Kirkendall-Spring / Hiker crossing the Kilauea Iki Crater, Hawaii Volcanoes National Park, Hawaii. Model released. December 2016.
Ohia lehua tree (Metrosideros polymorpha) on edge of caldera with lava lake, Halemaumau Crater,  Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii, March 2017. - Doug Perrine
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Doug Perrine / Ohia lehua tree (Metrosideros polymorpha) on edge of caldera with lava lake, Halemaumau Crater, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii, March 2017.
Lava lake hidden the caldera of Halemaumau Crater lights up a plume of steam, sulfur dioxide, and sulfuric acid at dusk, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii. March 2017. - Doug Perrine
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Doug Perrine / Lava lake hidden the caldera of Halemaumau Crater lights up a plume of steam, sulfur dioxide, and sulfuric acid at dusk, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii. March 2017.
Lava lake hidden the caldera of Halemaumau Crater lights up a plume of steam, sulfur dioxide, and sulfuric acid at dusk, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii. - Doug Perrine
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Doug Perrine / Lava lake hidden the caldera of Halemaumau Crater lights up a plume of steam, sulfur dioxide, and sulfuric acid at dusk, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.
Ohia lehua tree (Metrosideros polymorpha) with garlands hung in it. At edge of caldera with lava lake, Halemaumau Crater,  Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii, March 2017. - Doug Perrine
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Doug Perrine / Ohia lehua tree (Metrosideros polymorpha) with garlands hung in it. At edge of caldera with lava lake, Halemaumau Crater, Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii, March 2017.
'Boiling Lake', a flooded fumarole 10.5 km east of Roseau, Morne Trois Pitons National Park, UNESCO World Heritage Site, Dominica. February 2015. - Franco  Banfi
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Franco Banfi / 'Boiling Lake', a flooded fumarole 10.5 km east of Roseau, Morne Trois Pitons National Park, UNESCO World Heritage Site, Dominica. February 2015.
Maly Semyachik volcano, Kamchatka, Russia, August 2012 - Michel  Roggo
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Michel Roggo / Maly Semyachik volcano, Kamchatka, Russia, August 2012
Maly Semyachik volcano, Kamchatka, Russia, August 2012 - Michel  Roggo
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Michel Roggo / Maly Semyachik volcano, Kamchatka, Russia, August 2012
Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project - Michel  Roggo
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Michel Roggo / Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project
Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project - Michel  Roggo
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Michel Roggo / Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project
Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project - Michel  Roggo
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Michel Roggo / Underwater view of Blue Lake, lake in an extinct volcano, Mount Gambier, South Australia, Australia. March 2015. Photographed for The Freshwater Project
Blue Lake, lake in an extinct volcanic maar (a broad, low-relief volcanic crater)  Mount Gambier, South Australia, Australia, March 2015 . Photographed for The Freshwater Project - Michel  Roggo
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Michel Roggo / Blue Lake, lake in an extinct volcanic maar (a broad, low-relief volcanic crater) Mount Gambier, South Australia, Australia, March 2015 . Photographed for The Freshwater Project
Blue Lake, lake in an extinct volcanic maar (a broad volcanic crater)   Mount Gambier, South Australia, Australia, March 2015 . Photographed for The Freshwater Project - Michel  Roggo
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Michel Roggo / Blue Lake, lake in an extinct volcanic maar (a broad volcanic crater) Mount Gambier, South Australia, Australia, March 2015 . Photographed for The Freshwater Project
The rim of the ancient volcanic crater, Border Ranges National Park, Gondwana Rainforest UNESCO Natural World Heritage Site, New South Wales, Australia. - Jiri Lochman
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Jiri Lochman / The rim of the ancient volcanic crater, Border Ranges National Park, Gondwana Rainforest UNESCO Natural World Heritage Site, New South Wales, Australia.
Rim of ancient volcanic crater, Border Ranges National Park, Gondwana Rainforest UNESCO Natural World Heritage Site, New South Wales, Australia. - Jiri Lochman
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Jiri Lochman / Rim of ancient volcanic crater, Border Ranges National Park, Gondwana Rainforest UNESCO Natural World Heritage Site, New South Wales, Australia.
Caldera de los Marteles, a large volcanic crater with Canary island sage (Salvia canariensis) and Gran Canaria broom (Teline microphylla) bushes, near Rincon. Gran Canaria UNESCO Biosphere Reserve, Gr... - Nick Upton
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Nick Upton / Caldera de los Marteles, a large volcanic crater with Canary island sage (Salvia canariensis) and Gran Canaria broom (Teline microphylla) bushes, near Rincon. Gran Canaria UNESCO Biosphere Reserve, Gr...
Caldera de los Marteles, a large volcanic crater with Canary island sage (Salvia canariensis) and Gran Canaria broom (Teline microphylla) bushes, near Rincon. Gran Canaria UNESCO Biosphere Reserve, Gr... - Nick Upton
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Nick Upton / Caldera de los Marteles, a large volcanic crater with Canary island sage (Salvia canariensis) and Gran Canaria broom (Teline microphylla) bushes, near Rincon. Gran Canaria UNESCO Biosphere Reserve, Gr...
Hot lava fountains at a subduction zone at the edge of a lava lake, covered by plates of partially solidified cooled lava floating on its surface, in a pit within Halemaumau Crater, Kilauea Volcano, H... - Doug Perrine
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Doug Perrine / Hot lava fountains at a subduction zone at the edge of a lava lake, covered by plates of partially solidified cooled lava floating on its surface, in a pit within Halemaumau Crater, Kilauea Volcano, H...
Molten lava boils at night in a lava lake in a pit below the crater floor of Halemaumau Crater, Kilauea Volcano, Hawaii. Red-orange jagged lines are junctures between plates of hard cooled lava floati... - Doug Perrine
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Doug Perrine / Molten lava boils at night in a lava lake in a pit below the crater floor of Halemaumau Crater, Kilauea Volcano, Hawaii. Red-orange jagged lines are junctures between plates of hard cooled lava floati...
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