New island formed by Hunga Tonga volcano, 2017
Summit crater of Hverfjall volcano, Iceland
Volcanic crater
Tephra surface of Hunga Tonga窶滴unga Ha'apai island
Tuff
Lapilli, lava droplets
Solidified volcanic ash
Eruption of Fuego volcano, November 2016
Eruption of Momotombo volcano, February 2016
Volcan de Fuego erupting at night, Guatemala
Volcanic eruption, Reunion Island
Bedded tuff with two piles of volcanic ash
View of small volcanic ash mud-flows on snow
Soufriere Hills volcano erupting
Nyamulagira volcano, Congo
Hunga Tonga-Hunga Ha'apai volcano plume, satellite images
Volcanic eruption
Eruption of Klyuchevskoy volcano, October 2013
Kilauea eruption, May 2018
Volcanic ash
Nyiragongo volcano, Congo
Skjaldbreidur shield volcano, Iceland
West Mata underwater volcano
Volcanic lava delta
Mount Etna volcano erupting
Bentonite clay mound, Arizona, USA
Eruption of Pico do Fogo volcano, December 2014
Lava bomb on slope of volcano, Pico do Fogo
Volcano at night
Vanuatu, Volcano eruption
Eruption of Stromboli, July 2014
Dead trees buried by volcanic ash
Regenerating vegetation in the 'Dead Forest' Kamchatka
Meltwater pools
Sakurajima volcano erupting, Japan, 2012
Caldera Blanca, Lanzarote
Reventador volcano erupting, Ecuador
Marum volcano, Vanuatu
Welded Tuft
Layers of volcanic ash in rock
Mount Cleveland, Alaska, ISS image
Aa lava, Pacaya, Guatemala
Volcanic rocks
Lava flow
Eruption of Mount Batu Tara, August 2011
Sample of basalt
Sample of granite
Basaltic lava flow, New Mexico, USA
Kambhorn reflected in lagoon, Iceland
Obsidian-rich lava flow, Tenerife
Pillow lava near Laugarvatn, Iceland
Volcano above Heimaey, Iceland
Rio Blanco, Chaiten, Chile
Lava tube tourist attraction, Hawaii
Lava flow from Kilauea, Hawaii, USA
Geothermal hot spring vents, Ethiopia
Badlands, John Day National Monument, USA
Tolbachik volcano, Kamchatka, Russia
Lava fountain during Kilauea eruption, 1969
Lava fountain during Kilauea eruption, 1959
Eruption of Mount Etna, November 2013
Eruption of Mount Etna, February 2014
Eruption of Mount Etna, December 2015
Strombolian volcanic eruption, Pico do Fogo
Active lava flow at night, Pico do Fogo
Sciara del Fuoco on Stromboli, July 2014
Eruption of Vesuvius, 1820
Active lava eruption on the Tolbachik volcano, Kamchatka, Russia
Wake through a pumice raft, Tonga, 2006
Volcanic ash, SEM
Active magma in a stream below the Tolbachik volcano, Kamchatka, Russia
Mount Etna erupting at night
View of Mount Etna erupting at night
Mount Etna erupting
Katmai volcano erupting, Alaska, 1913
Eruption of Sakurajima volcano, March 2015
Eruption of Fuego volcano, Guatemala, February 2018
Whakaari volcano geothermal area, New Zealand
Mount Agung volcano in Indonesia, satellite image
Volcano and steam cloud, New Zealand
Home Reef volcanic island emerging, 2006
Whakaari volcano vent and tour helicopter, New Zealand
Erta Ale volcano, Congo
Volcanic rock
Lava falls during Kilauea eruption, 1969
Lava flowing into ocean, Hawaii
Lava flow, deep sea vent
La Tarta volcanic outcrop, Tenerife
Kenyte lava
Hornblende-biotite granite
Basalt bomb
Quartz-feldspar porphyry
Banded gneiss
Obsidian lava
Obsidian rock
Bozen quartz porphyry, South Tyrol, Italy
Volcanologist on Mount Etna
Volcanic cone, Iceland
Active lava stream, Tolbachik volcano, Kamchatka, Russia
Lava flow from volcano eruption on La Palma, satellite image
阿蘇中岳火口
阿蘇火山
阿蘇草千里ヶ浜登山ルートからみえる景色
阿蘇砂千里ヶ浜
Cold lava after an eruption of Tolbachik volcano, Kamchatka, Russia
Mars over Taftan volcano, Iran
熊本県 阿蘇山の道
熊本県 阿蘇山
砂千里ヶ浜
Lava from the Laki eruption
Moss covered lava fields, Iceland
Congo, View of lava erupting from Nyamuragira volcano
Reunion Island, Piton de la Fournaisse Volcano, lava flow
鹿児島県 鹿児島市 黒神埋没鳥居
Erupting mud pool
Eruption of Vesuvius, 1906
Ash plume rising from a vent on Kilauea, May 2018
Overlook crater on Kilauea, May 2018
Kilauea eruption earthquake map, 2 May 2018
Volcan de Fuego ash erupting, Guatemala
Volcanic lava flow, artwork