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Lava flowing down mountain, Eyjafjallajokull volcano, Iceland, Polar Regions
Fountaining lava from Eyjafjallajokull volcano, Iceland, Polar Regions
Lava erupting from Eyjafjallajokull volcano, Iceland, Polar Regions
Looking into the cinder cone of erupting Eyjafjallajokull volcano, Iceland, Polar Regions
Lava flowing down mountain, Eyjafjallajokull volcano, Iceland, Polar Regions
Aerial view of Vesuvius crater and Gulf of Naples at sunrise, Naples, Campania, Italy, Europe
Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe
Aerial panoramic of Vesuvius volcano at sunrise, Naples, Campania, Italy, Europe
Volcanoes from Penanjakan viewpoint, Bromo Tengger Semeru National Park, East Java, Indonesia
Aerial view of smoke above the turquoise lake on crater of Kawah Ijen volcano, Banyuwangi, East Java, Indonesia
Aerial view of Vesuvius crater and Sorrento peninsula at sunrise, Naples, Campania, Italy, Europe
Sunset Crater Volcano viewed from the forested slope of O'Leary Peak in northern Arizona.
Looking down into Ubehebe crater, a Maar volcano, caused by groundwater contacting hot magma or lava, Death Valley National Park, California, United States of America, North America
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Smoke over the two craters of Erta Ale volcano summit caldera, Danakil Depression, Afar Region, Ethiopia, Africa
Panoramic aerial view of sunset over the active Erta Ale volcano crater, Danakil Depression, Afar Region, Ethiopia, Africa
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica
Crater of the Poas volcano, San Jose, Costa Rica, Central 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
Sulphur and fumarole smoke on volcano Gran crater, 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
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
Lava lake in the caldera of the Ambrym volcano, Vanuatu, Pacific
Smoking Ambrym volcano, Vanuatu, Pacific
Smoking Ambrym volcano, Vanuatu, Pacific
Smoking Ambrym volcano, Vanuatu, Pacific
Crater of Rano Kau Volcano at sunset, Easter Island, Chile, South America
Crater of Rano Kau Volcano at sunset, Easter Island, Chile, South America
Khorgo volcano crater and White Lake in the background, Tariat district, North Hangay province, Mongolia, Central Asia, Asia
View of Sunset Crater Volcano from the east slope of the Lenox Crater Trail, the dark gray soil is volcanic pumice, Arizona, United States of America, North America
Panorama of the western Bonito Lava Field at Sunset Crater Volcano, Arizona, United States of America, North America
Burned out tree on the left with Sunset Crater Volcano in the background, near Flagstaff, Arizona, United States of America, North America
Aerial view of Ngorongoro Crater in the Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa
Aerial view of Ngorongoro Crater in the Ngorongoro Conservation Area, UNESCO World Heritage Site, Tanzania, East Africa, Africa
Exploring a volcanic landscape on a footpath up Saxholl cinder cone and crater, Snaefellsjokull National Park, western Iceland, Polar Regions
Randecker Maar, former volcanic pipe, Ochsenwang, Swabian Alps, Baden-Wurttemberg, Germany, Europe
Majestic crater of Hondo volcano (Calderon Hondo) with the ocean in background, Corralejo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Steaming fumaroles, sulphur and volcanic strata in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Steaming fumarole with sulphur deposits in Tompaluan active crater by Mount Lokon volcano near Tomohon city, Gunung Lokon, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Sunrise above the Emerald Lakes, view from red crater, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Sunrise at the volcano slopes Red Crater, Tongariror Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Panoramic view, crater of Blue Lake and Tongariro Volcano at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Red Crater and Mount Ngauruhoe in Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Emerald Lakes at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
The three emerald lakes and volcano landscape of the Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
View along the slope and hiking trail up towards the Red Crater Volcano, on Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Emerald lake on volcano slope, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Close up of turquoise, vibrant Emerald Lake with steaming volcano, Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Close up of turquoise, vibrant Emerald Lake with steaming volcano on Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Shore of the Emerald Lake, natural vibrant colour gradient with view on the Red Crater Volcano of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Turquoise and yellow green Emerald Lake in front of the Tongariro Volcano, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Wide angle view of an Emerald Lake in front of Red Crater Volcano in the Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Shore of the Emerald Lake, natural vibrant colour gradient with view on the Red Crater Volcano of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Drone aerial view of Meke dry lake volcano red crater in Karapinar Turkey
Night view of lava flowing down from Eyjafjallajokull volcano, Iceland, Polar Regions
Piton de la Fournaise volcano, Reunion
February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible.
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.
January 22, 2012 - Bush silhouetted against glow of lava in crater of Nyamuragira Volcano, Kimanura Eruption.
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Dead trees from a past forest fire on the slope of O'Leary Peak in northern Arizona. Sunset Crater Volcano is in the background.
Sulphur at the Stefanos Volcano Crater, detailed view, Nisyros Island, Dodecanese, Greek Islands, Greece, Europe
People walking on the edge of the crater of Mount Vesuvius, Province of Naples, Campania region, Italy, Europe
Mount Mahawu, a stratovolcano and active 180m wide crater, with Lokon on the left, and Empung volcanoes beyond, Gunung Mahawu, Tomohon, North Sulawesi, Indonesia, Southeast Asia, Asia
Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia
Japanese warning sign on the Crater rim of Mount Naka, an active volcano, Mount Aso, Kyushu, Japan, Asia
Emerald Lakes at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
View along the slope and hiking trail up towards the Red Crater Volcano, on Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Early sunrise at the Mount Bromo crater, Bromo Tengger Semeru National Park, Java, Indonesia, Southeast Asia, Asia
Small crater of Formica Leo volcano in caldera Enclos Fouque near Piton de la Fournaise, Reunion
Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe
Mount Vesuvius volcano crater and red rock landscape, near Naples, Campania, Italy, Europe
February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible. Static lightning discharges are visible at top of picture.
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. 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.
January 24, 2012 - Lava in crater glowing during blue hour on Nyamuragira Volcano, Kimanura Eruption.
January 22, 2012 - Glowing lava in crater illuminating gas cloud above Nyamuragira Volcano, Kimanura Eruption.
November 2007 - Aerial view of crater lake in Tongariro volcanic complex, New Zealand.
November 2007 - Snow-covered Ngauruhoe cone, Mount Tongariro volcano, New Zealand.
November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.
November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.
November 2007 - Aerial view of White Island (Whakaari) volcano with central acidic crater lake, Bay of Plenty, New Zealand.
January 21, 2011 - Active lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.
January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.
January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.
May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.
May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.
January 30, 2011 - Lava lake illuminating walls of pit crater at nightfall, Erta Ale volcano, Danakil Depression, Ethiopia.
January 30, 2011 - Lava lake illuminating walls of pit crater at nightfall, Erta Ale volcano, Danakil Depression, Ethiopia.
Poas volcano, Poas National Park, Costa Rica, Central America
Poas volcano, Poas National Park, Costa Rica, Central America
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial over Trou du Natron with volcano Tousside in the background, Tibesti Mountains, Chad
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica
People walking on the edge of the crater of Mount Vesuvius, Province of Naples, Campania region, Italy, Europe