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Aerial view of Mount Nyiragongo, an active volcano in the Virunga Mountains in Virunga National Park, near the border with Rwanda, known for its recent devastating eruptions, Democratic Republic of the Congo, Great Rift Valley, Africa
Mountain climbers ascend Cayambe volcano, Ecuador, South America
Aerial view of Mount Nyiragongo, an active volcano in the Virunga Mountains in Virunga National Park, near the border with Rwanda, known for its recent devastating eruptions, Democratic Republic of the Congo, Great Rift Valley, Africa
Aerial view of Mount Nyiragongo, an active volcano in the Virunga Mountains in Virunga National Park, near the border with Rwanda, known for its recent devastating eruptions, Democratic Republic of the Congo, Great Rift Valley, Africa
Aerial view of Mount Karisimbi, a dormant volcano in the Virunga Mountains on the border between Rwanda and the Democratic Republic of Congo (DRC), flanked by Mount Mikeno to the north, Mount Bisoke to the east and Mount Nyiragongo to the west, Great Rift Valley, Africa
Aerial view of Mount Karisimbi, a dormant volcano in the Virunga Mountains on the border between Rwanda and the Democratic Republic of Congo (DRC), at 4507m the highest of the mountain range, Great Rift Valley, Africa
Aerial view of Mount Nyiragongo, an active volcano in the Virunga Mountains in Virunga National Park, near the border with Rwanda, known for its recent devastating eruptions, Democratic Republic of the Congo, Great Rift Valley, Africa
Aerial view of Mount Visoke (Mount Bisoke), an extinct volcano, straddling border of Rwanda and the Democratic Republic of the Congo. with Mount Mikeno in background, Virunga Volcanoes, Great Rift Valley, Africa
Aerial view of Mount Sabyinyo, an extinct volcano and oldest of the Virunga Mountains, the summit at 3645ï¾ metres marks the intersection of the borders of Democratic Republic of the Congo (DRC), Rwanda, and Uganda, Virunga Volcanoes, Africa
Mountain climbers ascend Cayambe volcano, Ecuador, South America
Aerial view of Mount Visoke (Mount Bisoke), an extinct volcano straddling the border of Rwanda and Democratic Republic of the Congo (DRC) showing crater lake, with Mount Mikeno in background, Virunga Volcanoes, Great Rift Valley, Africa
Aerial view of Mount Nyiragongo, an active volcano in the Virunga Mountains in Virunga National Park, near the border with Rwanda, known for its recent devastating eruptions, Democratic Republic of the Congo, Great Rift Valley, Africa
Mount Pico seen from waterfront of Horta, Faial, Azores, Portugal, Atlantic, Europe
Taormina and Mount Etna Volcano seen from Teatro Greco (Greek Theatre), Taormina, Sicily, Italy, Mediterranean, Europe
Tourist admiring the view of Mount Etna from Teatro Greco (Greek Theatre), Taormina, Sicily, Italy, Europe
Teatro Greco (Greek Theatre), ruins of columns at the amphitheatre, and Mount Etna volcano, Taormina, Sicily, Italy, Europe
Sunrise hitting the top of Mount Etna volcano, Taormina, East Coast of Sicily, Italy, Mediterranean, Europe e
Mount Etna Volcano, shrine where the lava from an eruption stopped, UNESCO World Heritage Site, Sicily, Italy, Europe
Visitors watching mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
An active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
Mud being ejected from the caldera floor of an active andesite stratovolcano on White Island, North Island, New Zealand, Pacific
Boiling mud at an active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
An active andesite stratovolcano on White Island, off the east side of North Island, New Zealand, Pacific
Visitors to an active andesite stratovolcano on White Island, off the East side of North Island, New Zealand, Pacific
The cupola of Saint Michael church and Mount Etna in the background, Catania, Sicily, Italy, Europe
Lava flowing down mountain from Eyjafjallajokull volcano, Iceland, Polar Regions
Lava flowing down mountain from Eyjafjallajokull volcano, Iceland, Polar Regions
Volcano Concepcion, Isla de Ometepe, Ometepe Island, Lake Nicaragua, Nicaragua, Central America
Hiker in red jacket walking down new footpath across the volcanic landscape towards Madeira's third highest peak, Pico do Arieiro, Madeira, Portugal, Europe
Majestic night sky with Milky Way over a serene mountain landscape in the Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
Starry night sky over majestic mountain landscape with Milky Way visible and rocky terrain in the foreground, Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
Aso volcanic calder, see from Shiroyama viewpoint, with profile of Nakadake volcano like Sleeping Buddha; Kyushu, Japan
Nakadake volcano within Aso caldera, Kyushu, Japan; bomb shelters for safety during sudden eruptions from steaming crater in background.
Rocky volcanic badlands (malpais) landscape, Malpais Grande National Park, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Monday market in Moni village, below Kelimutu volcano, eastern Flores, Nusa Tenggara, Indonesia, Southeast Asia, Asia
Monday market in Moni village, below Kelimutu volcano, eastern Flores, Nusa Tenggara, Indonesia, Southeast Asia, Asia
Haleakala Crater, in Haleakala National Park, Maui's dormant volcano, Hawaii, United States of America, Pacific, North America
Japanese warning sign on the crater rim of Mount Naka active volcano, Mount Aso, Kyushu, Japan, Asia
The crater of the active Masaya volcano in Nicaragua, Central America
The small port of Moyogalpa on Ometepe Island in Lake Nicaragua, Nicaragua, Central America
Hverfjall volcano crater at sunset, Myvatn, Iceland, Polar Regions
Group of hikers walking up to Mount Etna summit, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe
Group of hikers walking up to Mount Etna summit, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe
View of lava fields and snow-capped peaks in the distance, Etna, Sicily, Italy, Mediterranean, Europe
View of lava fields and snow-capped peaks in the distance, Etna, Sicily, Italy, Mediterranean, Europe
Tourists exploring White Island Volcano, an active volcano in the Bay of Plenty, North Island, New Zealand, Pacific
Bodegas La Florida, La Geria vineyard tourist attraction for sampling and buying wine, San Bartolome, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Malpais badlands volcanic landscape Montana Negra and Caldera Colorada, Parque Natural Los Volcanes, Masdache, Lanzarote, Canary islands, Spain, Atlantic, Europe
Volcanic landscape, Mount Pico Partido, Parque Nacional de Timanfaya, national park, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Sign for Parque Nacional de Timanfaya, national park, designed by Cesar Manrique, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Food being cooked on volcanic grill at visitor centre, Parque Nacional de Timanfaya, national park, Lanzarote, Canary Islands, Atlantic, Europe
Walkway over lava field, Timanfaya Volcano Interpretation and Visitors' Centre, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Dry stone walls and grapevines in sheltered enclosures, La Quemada de Orzola volcano, near Orzola, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica
Cotopaxi Volcano 5897m summit, Cotopaxi National Park, Cotopaxi Province, Ecuador, South America
Capitan Haase Traditional Sailing Ship on Llanquihue Lake with Osorno Volcano behind, Puerto Varas, Chile Lake District, Chile, South America
Death Valley (Valle de la Muerte) and Licancabur Volcano, San Pedro de Atacama, Atacama Desert, North Chile, Chile, South America
Cotopaxi Volcano glacier covered 5897m summit, Cotopaxi National Park, Cotopaxi Province, Ecuador, South America
Nisyros volcano, high angle view, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe
Nisyros volcano, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe
Nikia village and Nisyros volcano in the distance, high anlgle view, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe
Nisyros volcano, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe
Ruminahui Volcano summit, Cotopaxi National Park, Avenue of Volcanoes, Ecuador, South America
Centre of town and hub for tourist activities near hot springs and Arenal Volcano, La Fortuna, Alajuela Province, Costa Rica, Central America
Starry night sky over a volcanic landscape with a colorful twilight gradient in Tenerife, Canary Islands, Spain, Atlantic, Europe
Small volcano and mountains in Nordunamshraun, seen from Namshraun, Landmannalaugar area, Fjallabak region, Iceland, Polar Regions
Small red volcano and volcanic hills in Domadalshraun just north of Landmannalaugar, Fjallabak region, Iceland, Polar Regions
Volcan de Popocatepetl, 5452m, from Volcan de Iztaccihuatl, 5220m, Sierra Nevada, Mexico, North America
Acid Crater Lake, White Island Volcano, an active volcano in the Bay of Plenty, North Island, New Zealand, Pacific
Poas volcano, Poas National Park, Costa Rica, Central America
Mount Bromo, a volcano reaching 2392m, and Mount Semeru at 3676m early in the morning, Java, Indonesia, Southeast Asia, Asia
Mount Bromo, a volcano reaching 2392m, and Mount Semeru at 3676m early in the morning, Java, Indonesia, Southeast Asia, Asia
Excursion by camel to visit volcano, National Park of Timanfaya, Lanzarote, Canary Islands, Spain, Europe
Excursion by camel to visit volcano, National Park of Timanfaya, Lanzarote, Canary Islands, Spain, Europe
Climber looking at sunrise on Volcan Cotopaxi, 5897m, highest active volcano in the world, Ecuador, South America
limbers on the glacier of Volcan Cotopaxi, at 5897m the highest active volcano in the world, Ecuador, South America
View from Volcan Cotopaxi, 5897m, highest active volcano in the world, Ecuador, South America
Climbers on El Misti volcano, 5822m, Arequipa, Peru, South America
Climbers near summit of El Misti volcano, 5822m, Arequipa, Peru, South America
El Misti volcano 5822m above city, Arequipa, Peru, South America
Summit of 1745m active Volcan San Cristobal on left, the country's highest volcano, and Volcan Casita on the right, Chinandega, Nicaragua, Central America
Summit of active Volcan San Cristobal, 1745m, in the North West volcano chain, the country's highest volcano, Chinandega, Nicaragua, Central America
View over whitewashed houses to Monte Corona volcano cone, village of Haria, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Volcano cone and black volcanic soil farmland, Monta Tinache, near Tinajo, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Road leading to cone of Mount Corona volcano and Ye village, Haria, Lanzarote, Canary Islands, Spain, Atlantic, Europe
View from Mirador del Rio of ferry ship approaching Caleta del Sebo, La Graciosa island, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Climber near the top of Cotopaxi Volcano, Cotopaxi Province, Ecuador, South America
Graveyard and the Concepcion volcano on Ometepe island, Lake Nicaragua, Nicaragua, Central America
Mount Bromo (Gunung Bromo), an active volcano, erupting at sunrise throwing up ash clouds, East Java, Indonesia, Southeast Asia, Asia
Sulphur miners working in the crater at Kawah Ijen, Java, Indonesia, Southeast Asia, Asia
Kawah Ijen and its turquoise acid crater lake, Java, Indonesia, Southeast Asia, Asia
Panorama of sulphur worker appearing out of toxic fumes at Kawah Ijen volcano, East Java, Indonesia, Southeast Asia, Asia
Mount Ruapehu, Ngauruhoe and Tongariro (active volcanoes) from Lake Taupo, North Island, New Zealand, Pacific
Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America
Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America
Toliman volcano, Lago de Atitlan, Guatemala, Central America
Glowing active volcanic crater of Volcan Telica at night with star trails and shooting star (meteor) on right, Leon, Nicaragua, Central America
Guardabarranco (turquoise-browed motmot), national bird of Nicaragua, on the slopes of Telica volcano, Leon, Nicaragua, Central America
Mount Bromo volcano erupting at sunrise, sending volcanic ash high into the sky, East Java, Indonesia, Southeast Asia, Asia
The North West volcanic chain, distant on left Momotombo, centre Rota and Las Pilas complex, on right Momotombito and Santa Clara, Leon, Nicaragua, Central America