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Russian research ship Akademik Ioffe moored in the flooded volcanic caldera of Deception Island, South Shetland Islands, Antarctic Peninsula, Antarctica, Polar Regions

Tourists crossing the mountains that rim the volcanic caldera of Deception Island, South Shetland Islands, Antarctic Peninsula, Antarctica, Polar Regions

Mount Bromo (Gunung Bromo), an active volcano, erupting at sunrise throwing up ash clouds, East Java, Indonesia, Southeast Asia, Asia

Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America

Glowing active volcanic crater of Volcan Telica at night with star trails and shooting star (meteor) on right, Leon, Nicaragua, Central America

A colourful sunset from Sutton Bank thanks to the build up of volcanic ash from Iceland, North Yorkshire, Yorkshire, England, United Kingdom, Europe

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

Fields north of Leon and Volcan Telica, one of the country's most active volcanoes, in the North West volcanic chain, Leon, Nicaragua, Central America

Fields north of Leon and Volcan Telica, one of the country's most active volcanoes, in the North West volcanic chain, Leon, Nicaragua, Central America

Basalt columns next to Fingal's Cave on the Isle of Staffa, with Mull in the background, Inner Hebrides, Scotland, United Kingdom, Europe

View of basalt columns in Fingal's Cave on the isle of Staffa, Inner Hebrides, Scotland, United Kingdom, Europe

Natural pinnacles in volcanic ash, Zemi Valley, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Natural pinnacles in volcanic ash, Zemi Valley, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia

Valle de los Hongos (Mushroom Rocks) formed of volcanic ash, Creel, Chihuahua, Mexico, North America

Icebergs on a black sand volcanic beach next to the Jokulsarlon glacial lake in Vatnajokull National Park in southeast Iceland, Polar Regions

Antarctic fur seals (Arctocephalus gazella) and a huge Chinstrap penguin colony (Pygoscelis antarctica) on a black volcanic beach, Saunders Island, South Sandwich Islands, Antarctica, Polar Regions

The volcanic mountain chain of the Virunga National Park after the rain, UNESCO World Heritage Site, Democratic Republic of the Congo, Africa

The volcanic mountain chain of the Virunga National Park, UNESCO World Heritage Site, Democratic Republic of the Congo, Africa

Tourists walking through lava field around the very active Erta Ale shield volcano, Danakil depression, Ethiopia, Africa

Views of natural volcanic pools called Biscoitos, Terceira Island, Azores, Portugal, Atlantic, Europe

Views of natural volcanic pools called Biscoitos, Terceira Island, Azores, Portugal, Atlantic, Europe

Old lighthouse in the volcanic landscape of Iceland near Akranes, the ninth most populous city in the country, Iceland, Polar Regions

Aerial view of Hnausapollur (Blahylur), a volcanic crater near Landmannalaugar, Fjallabak Nature Reserve, Southern Region, Iceland, Polar Regions

Arenal Volcano and Arenal Lake at sunset, near La Fortuna, Alajuela Province, Costa Rica, Central America

Volcanic beach, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

People walking on Gran Cratere rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Cactus plants inside Jardin de Cactus designed by Cesar Manrique, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Penstemon flowers, Mount St. Helens, Mount St. Helens National Volcanic Monument, Washington state, United States of America, North America

Ruins of pre-Spanish Mahos village, Poblado de la Atalayita, Pozo Negro, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Footpath trail from Gran Valle to Cofete, Jandia peninsula, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Rocky volcanic badlands (malpais) landscape, Malpais Grande National Park, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Volcanic landscape, Valle del Bove, Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

Montana de Medio, mountain, Los Ajaches mountain range, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Atlantic coast in south west corner, Los Charcones, Caleta Negra bay, near Playa Blanca, Lanzarote, Canary islands, Spain, Atlantic, Europe

View over whitewashed houses to Monte Corona volcano cone, village of Maguez, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Monumento a la Fecundidad by Cesar Manrique, Monumento al Campesino, San Bartolome, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Walkway over lava field, Timanfaya Volcano Interpretation and Visitors' Centre, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Volcanic landscape with rocky terrain in the foreground and a clear blue sky over the ocean in the background in Tenerife, Canary Islands, Spain, Atlantic, Europe

Close-up of plant, Cueva de Los Verdes, cave tourist attraction in lava pipe tunnel, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Summit of 1745m active Volcan San Cristobal on left, the country's highest volcano, and Volcan Casita on the right, Chinandega, Nicaragua, Central America

View from El Mirador del Rioi, La Graciosa island and El Rio channel, Chinjo archipelago natural park, Lanzarote, Canary Islands, Spain, Atlantic, Europe

The mouth of Fingal's Cave, Staffa Island, with Mull in the distance, Inner Hebrides, Scotland, United Kingdom, Europe

A bright pink purple paddle-flap scorpionfish {Rhinopias eschmeyeri) on volcanic sand, Tulamben, Bali, Indonesia, Southeast Asia, Asia

A bright pink purple paddle-flap scorpionfish {Rhinopias eschmeyeri) on volcanic sand, Tulamben, Bali, Indonesia, Southeast Asia, Asia

Ruins of pre-Spanish Mahos village, Poblado de la Atalayita, Pozo Negro, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Haleakala Crater, in Haleakala National Park, Maui's dormant volcano, Hawaii, United States of America, Pacific, North America

Volcanic landscape, Valle del Bove, Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, Europe

Volcanic landscape, Mount Etna, UNESCO World Heritage Site, Etna, Sicily, Italy, Mediterranean, 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

Starry night sky over a volcanic landscape with a colorful twilight gradient in Tenerife, Canary Islands, Spain, Atlantic, Europe

Scenic coastal landscape with lush greenery, agricultural fields, and a clear blue sky in Tenerife, Canary Islands, Spain, Atlantic, Europe

Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America

Batak Houses at Lake Toba (Danau Toba), the largest volcanic lake in the world, North Sumatra, Indonesia, Southeast Asia, Asia

View of Aeolian Islands archipelago from Gran Cratere, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

People walking on Gran Cratere rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Garden path crossing solidified pahoehoe or ropey lava field, Tahiche, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Ancient cave dwellings in the tufa formations at Goreme Open Air Museum, Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Asia

Yellow painted frogfish (Antennarius pictus), side profile on volcanic sand, Tulamben, Bali, Indonesia, Southeast Asia, Asia

Jardin de Cactus designed by Cesar Manrique, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Golf course in a volcanic crater, Heimaey Island, Vestmannaeyjar, volcanic Westman Islands, Iceland, Polar Regions

View from Mirador del Rio of ferry ship approaching Caleta del Sebo, La Graciosa island, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Euphorbia balsamifera growing on lava flows Malpais de Corona, Lanzarote, Canary Islands, Spain, Atlantic, Europe

Panorama of sulphur worker appearing out of toxic fumes at Kawah Ijen volcano, East Java, Indonesia, Southeast Asia, Asia

Pigeon cotes cut in volcanic rock, apricot trees in foreground, Uchisar, Cappadocia, Turkey, Eurasia

Crater of Mount Eden with city beyond, Auckland, Central Auckland, North Island, New Zealand, Pacific

Backpacker walking across dried up lake towards Llaima volcano, Conguillio National Park, Chile, South America

Bus and the famous El Nariz del Diablo (The Devil's Nose) train en route to Riobamba with Chimborazo volcano in the distance, Riobamba, Chimborazo Province, Central Highlands, Ecuador, South America

The west flank of 6310m Volcan Chimborazo, with its unique type of Andean high paramo (puna) made dry by the rain shadow, Chimborazo Province, Central Highlands, Ecuador, South America

Sand dunes at Las Dunas natural park, Corralejo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Puffin (Fratercula arctica), Heimaey Island, Vestmannaeyjar, volcanic Westman Islands, Iceland, Polar Regions