Malpasito Cinder Cone in South of Tenerife, Tenerife, Canary Islands, Spain

Malpasito Cinder Cone in South of Tenerife, Tenerife, Canary Islands, Spain

Malpasito Cinder Cone in South of Tenerife, Tenerife, Canary Islands, Spain

Exploring a volcanic landscape on a footpath up Saxholl cinder cone and crater, Snaefellsjokull National Park, western Iceland, Polar Regions

Lava erupting from Eyjafjallajokull volcano, Iceland, Polar Regions

Fountaining lava from Eyjafjallajokull volcano, Iceland, Polar Regions

Super Pan view of the Cinder Hills on left and the eastside of Sunset Crater on the right, near Flagstaff, Arizona, United States of America, North America

Looking into the cinder cone of erupting Eyjafjallajokull volcano, Iceland, Polar Regions

The red scoria quarry at Puna Pau, a cinder cone on the outskirts of Hanga Roa, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island (Isla de Pascua), Chile, South America

Lava erupting from cinder cone, Eyjafjallajokull volcano, Iceland, Polar Regions

Volcanic cinder cones in Cinque Picos caldera, seen from Serra do Cume, Terceira island, Azores, Portugal, Atlantic, Europe

The Saxholl cinder cone and crater, in Snaefellsjokull National Park, on the Snaefellsnes peninsula, western Iceland, Polar Regions

The Pu'u O'o cinder cone, the active vent on the southern flank of the Kilauea volcano, UNESCO World Heritage Site, Big Island, Hawaiian Islands, United States of America, North America

The Pu'u O'o cinder cone, the active vent on the southern flank of the Kilauea volcano, UNESCO World Heritage Site, Big Island, Hawaiian Islands, United States of America, North America

The Pu'u O'o cinder cone, the active vent on the southern flank of the Kilauea volcano, Big Island, Hawaii, Hawaiian Islands, United States of America, North America

Irregular blocky lava (a'a) and cinder cones of the volcanic landscape of Timanfaya National Park, Lanzarote, Canary Islands, Spain, Atlantic Ocean, Europe

Steam cloud rising where lava from the Pu'u O'o cinder cone far inland enters sea on southeast Puna coast near Kaimu, Big Island, Hawaii, Hawaiian Islands, United States of America, Pacific, North America

Volcanic cinder cone on Graciosa Island and the Graciosa to Lanzarote ferry in the Rio strait, seen from the Mirador del Rio on the north west coast of Lanzarote, Graciosa Island, Canary Islands, Spain, Atlantic, Europe

Cinder cones in the centre of the island near Tinajo, a relic of the island's active volcanic past, Lanzarote, Canary Islands, Spain, Atlantic Ocean, Europe

View across black volcanic cinder fields to the town of Soo and the Risco de Famara range with the highest point on the island at Penas del Cache radar site, Soo, Lanzarote, Canary Islands, Spain, Atlantic Ocean, Europe

Grabrokarfell a crater caused by a fissure eruption near Reykholt in Iceland, Polar Regions

Grabrok volcanic crater caused by a fissure eruption in Western Iceland near Reykholt, Iceland, Polar Regions

Grabrokarfell a crater caused by a fissure eruption near Reykholt in Iceland, Polar Regions

Cinder cones inside the Haleakala crater, Maui, Hawaii, USA

Cinder track of a stadium

Cinder block homes cover the mountainside in Petare, Latin America's largest shanty town, in Caracas, Venezuela, July 23, 2008.

Colourful Cinders Catch The Morning Light, Maui, Hawaii, United States Of America

Cinder Cones And Caldera From Ancient Lava Eruptions Atop 4200 Meter Mauna Kea, Tallest Mountain In Hawaii, At Sunset, Island Of Hawaii, Hawaii, United States Of America

Cinder Cone near Haleakala Volcano Crater, Maui, Hawaii, USA

Cinder Cone, USA, California

Cinder Cone, USA, California