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View of massive die-off of black triggerfish on the beach on Ascension Island in the southern tropical Atlantic Ocean, South Atlantic Ocean
Huge waves breaking on the beach at Ascension Island in the Tropical Atlantic Ocean, South Atlantic Ocean
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Aerial view of volcanic landscape surrounding La Pared beach washed by waves at sunset, Fuerteventura, Canary Islands, Spain
Aerial view of El Toston Lighthouse on volcanic coastline, El Cotillo, Fuerteventura, Canary Islands, Spain
Overhead view of volcanic cliffs overlooking the crystal sea, Sotavento beach, Jandia, Fuerteventura, Canary Islands, Spain
Walking paths through a volcano landscape in Waiotapu Thermal Wonderland, North Island, New Zealand
Furnas Valley, a site of bubbling hot springs and fumaroles on the Azorean capital island of Sao Miguel, Azores, Portugal, Europe
Bartolome Island with Pinnacle Rock, a volcanic plug, to the right, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Landscape on the trek between Arieiro peak and Ruivo peak of Madeira island, Portugal
Volcanic coast of Porto Moniz at sunset, Madeira, Portugal, Atlantic, Europe
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Kofah (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. A crater wall separates Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
November 28, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible against blue night sky.
November 27, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 25, 2012 - Extrusion of lava through lava plug on top of conduit leads to small glowing rockfalls. Batu Tara volcano, Komba Island, Indonesia.
November 26, 2012 - Powerful explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 25, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 2007 - Aerial view of White Island (Whakaari) volcano with central acidic crater lake, Bay of Plenty, New Zealand.
Close-up of lava flow, Kilauea volcano, Big Island, Hawaii.
Lava flowing into sea, Kilauea volcano, Big Island, Hawaii.
Aloe arborescens on edge of cliff, Quinta do Furao, Santana, North coast, Madeira island, Atlantic Ocean, Portugal
Abra Bay, Sao Lourenco peninsula, Madeira island, Atlantic Ocean, Portugal
One of Jeju Island's many lighthouses stands against Mount Sanbangsan and Mount Hallasan, a shield volcano, Jeju Island, South Korea, Asia
Construction of traditional style Batak house with bamboo scaffolding, beside the volcanic Lake Toba, Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Rice paddy fields, with heavy monsoon clouds gathering over volcanic crater hills across Lake Toba from Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Rice paddy fields, with heavy monsoon clouds gathering over volcanic crater hills across Lake Toba from Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Construction of traditional style Batak house with bamboo scaffolding, beside the volcanic Lake Toba, Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Boardwalk to Faro de Morro Jable on the volcanic Island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe
View from summit of Pico do Areeiro, Madeira
Sombrero Chino (Chinese Hat) Island, just off Santiago Island in the Galapagos, UNESCO World Heritage Site, Ecuador, South America
The Tongariro Crossing crosses 19 kilometers of the barren, volcanic desert, Tongariro National Park, UNESCO World Heritge Site, North Island, New Zealand, Pacific
The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal
The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal
Galapagos Land Iguana (Conolophus subcristatus), large lizard can can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Ribera dos Caldeiroes waterfalls, near Achada, Sao Miguel, Azores Islands, Atlantic, Portugal
Trees and Lagoa Azul, Sete Cidades, Sao Miguel, Azores Islands, Atlantic, Portugal
Atlantic surf at Mosteiros, north west coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Atlantic surf at Mosteiros, north west coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Mosteiros and coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands
Fireworks display for Volcanoes Festival in Santorini, Cyclades, Greek Islands, Greece
Volcanic scenery in the valley of Alto Mira, northwest Saint Anthony, Cape Verde
The striking offshore rock known as Djeu, Saint Vincent, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The striking offshore rock known as Djeu, Saint Vincent, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
Lagoa Comprida volcanic lake surrounded by vegetations and ginger lily flowers on a sunny day, Flores island, Azores islands, Portugal, Atlantic Ocean, Europe
A Large Cactus in a lava field in Lanzarote in the Canary Islands, Spain
view of Volcanoes and the Volcanic landscape with the Atlantic Ocean in the Timanfaya national park in Lanzarote in the Canary Islands, Spain
Furnas Valley, a site of bubbling hot springs and fumaroles on the Azorean capital island of Sao Miguel, Azores, Portugal, Europe
Montana Arena cone at sunset, one of a chain of volcanoes south of Corralejo, Villaverde, Fuerteventura, Canary Islands, Spain, Europe
View from Calderon Honda crater of lava rock ruins and volcanic cones of the north, Lajares, Fuerteventura, Canary Islands, Spain, Europe
View from Calderon Honda crater of lava rock ruins and volcanic cones of the north, Lajares, Fuerteventura, Canary Islands, Spain, Europe
The Caldera de Gairia volcanic cone looms over this town in the central south, Tiscamanita, Fuerteventura, Canary Islands, Spain, Europe
Lobos Island, a nature reserve and La Caldera volcano, just north of this resort, Corralejo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Late afternoon light on the Crater Lake of the Crater Lake National Park, Oregon, United States of America, North America
Gran Cratere (The Large Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Gran Cratere and Aeolian Islands view, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
People looking at view of Stromboli island from Gran crater rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Sulphur and fumaroles smoke on volcano Gran Cratere, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Filicudi Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Geologists taking minerals samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
People walking through fumaroles on Volcano Gran crater rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Gran Cratere (The Great Crater) and Aeolian Islands view, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Bathers enjoying the therapeutic benefits of the volcanic mud in the hot spring pool, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Volcanic rock souvenirs, Lipari Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
View over Rabaul, East New Britain, Papua New Guinea, Pacific
View over Rabaul, East New Britain, Papua New Guinea, Pacific
View over Rabaul, East New Britain, Papua New Guinea, Pacific
Pretty black sand volcanic beach, Epi Island, Shepherd Islands, Vanuatu, Pacific
Ambrym, Vanuatu, Pacific
Lake in the Furna do Enxofre, volcanic cave, Caldeira, Graciosa Natural Park, Graciosa Island, Azores, Portugal, Atlantic, Europe
Volcanic tunnel, Caldeira, Graciosa Natural Park, Graciosa Island, Azores, Portugal, Atlantic, Europe
Pato Beach, Puerto de la Cruz, Tenerife Island, Canary Islands, Spain, Atlantic, Europe
Coast in El Medano, Tenerife Island, Canary Islands, Spain, Atlantic, Europe
Paisaje Lunar, rock formation, The Moon Landscape, Vilaflor, Tenerife Island, Canary Islands, Spain, Europe
The surfers' paradise and volcanic black sand beach at Piha, showing Lion Rock, a monolith housing many Maori carvings, Auckland area, North Island, New Zealand, Pacific
Tourists visiting Lava field in Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
View over Lava field in Sullivan Bay towards Bartolome Island, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Sunset over the volcanic islands of Santorini and Anastasi Orthodox Church at sunset, Fira, Santorini, Cyclades, Greek Islands, Greece, Europe
People walking on Gran Cratere rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Natural salt water swimming pools made of volcanic rock, Porto Moniz, Madeira island, Portugal, Atlantic, Europe
Waves crashing on volcanic stone beach and sea stacks of Ilheus da Rib and Ribeira da Janela at sunrise, Madeira island, Portugal, Atlantic, Europe
The remains of old water boats at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions
The remains of an old tractor at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions
The remains of an old whaling station at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions
The remains of an old British Base at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions
Icebergs surround the glacier covered volcano called Peter I Island in the Bellingshausen Sea, Antarctica, Polar Regions
A view of Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions
A view of Lucifer Hill on Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions