Skjaldbreidur shield volcano, Iceland
Lava flow
Kambhorn reflected in lagoon, Iceland
West Mata underwater volcano
Sample of basalt
Volcanic rocks
Basaltic lava flow, New Mexico, USA
Volcanic eruption, Reunion Island
Aa lava, Pacaya, Guatemala
Moss covered lava fields, Iceland
Lava flow running into the sea off Hawaii
Lomagnupur cliff, Iceland
Lava flows
Marum volcano, Vanuatu
Pillow lava near Laugarvatn, Iceland
Obsidian-rich lava flow, Tenerife
Eruption of Fuego volcano, November 2016
Erta Ale Volcano, Ethiopia
Eruption of Mount Batu Tara, August 2011
Molten pahoehoe lava burning trees on Hawaii
Lava tube emptying into the sea off Hawaii
Lava flow and vent
Lava flow from Kilauea volcano
Nyiragongo volcano, Congo
Eruption of Momotombo volcano, February 2016
Tanzania, volcano ol doinyo Lengai
Volcanic rock
Lava flow, deep sea vent
Kenyte lava
Basalt bomb
Quartz-feldspar porphyry
Banded gneiss
Obsidian lava
Obsidian rock
Lava flow from volcano eruption on La Palma, satellite image
hawaii - small lavastream at aa-field
La Tarta volcanic outcrop, Tenerife
hawaii - pahoehoe lava at night
hawaii - pahoehoe, lava shortly before exit
Water-filled crevice near Thingvellir, Iceland
New island formed by Hunga Tonga volcano, 2017
Fjallaback Nature Reserve, Iceland
Settlements near an extinct volcano in Iceland.
Volcanic eruption
Basalt columns
Molten lava from mount Etna
River of molten lava from Mt Etna approaching town
Basalt pavement, Iceland
Fractured pillow lava, deep sea vent
Volcanic solfatara formation
hawaii - pahoehoe lava leaving lava tube
Santiago crater lava lake, Masaya caldera, Nicaragua
Aerial near Hekla Volcano
Amphibolite metamorphic rock
Eldhraun lava field, Iceland
Kilauea eruption lava flow, May 2018
Crevice near Thingvellir, Iceland
Foss a Sidu waterfall, Iceland
Sample of granite
Summit crater of Hverfjall volcano, Iceland
Lava from the Laki eruption
Troll toes rock formations, Iceland
Pillow lava, deep sea vent
Whakaari volcano sulphur deposits, New Zealand
Diorite intruded by microgranite
Mineral hot springs, Iceland
Tangaroan volcanic eruption, artwork
Ancient lava flow, Lanzarote, Canary Islands
Rugged desert terrain around Lake Mead, Nevada, USA
Lava flowing into ocean, Hawaii
Giant's Causeway
Rio Pastaza gorge
Lava flow, Iceland
Lava tube tourist attraction, Hawaii
Waterfall and basalt rock, Iceland
Lava flow from Kilauea, Hawaii, USA
Hverfell volcanic cone, Iceland
Erta Ale volcano, Congo
Myrdalsjokull ice cap over Katla volcano, satellite image
Venus, synthetic aperture radar map
Hornblende-biotite granite
Grabrokarfell crater, Iceland
Volcanic lava delta
Volcan de Fuego erupting at night, Guatemala
Volcanic pseudocraters, Iceland
Eruption on Mount Etna
Tanzania, soda lava from Ol Doinyo Lengai volcano at dusk
West Mata underwater volcano, bathymetry
West Mata underwater volcano, altimetry
Volcanic crater
West Mata underwater volcano, sonar map
Hengifoss waterfall, Iceland
Pink-white chabazite in basalt groundmass
Basalt, Massachusetts, USA
Zeophyllite
Pectolite
Reddish pink apophyllite crystal and basalt groundmass
Olivine inclusion in basalt
Microfossils in volcanic rock
Basaltic dyke rock
Bozen quartz porphyry, South Tyrol, Italy
Kilauea lava flow, hawaii, usa, elevated view
Eruption of Klyuchevskoy volcano, October 2013
Volcanic landscapes in Western Iceland.
Eruption of Mount Rinjani, November 2015
Agglomerate rock, polarised LM