Welded Tuft
Layers of volcanic ash in rock
View of small volcanic ash mud-flows on snow
Lapilli, lava droplets
Tuff
Tephra surface of Hunga Tonga窶滴unga Ha'apai island
Volcanic crater
Volcanic ash
Solidified volcanic ash
Summit crater of Hverfjall volcano, Iceland
New island formed by Hunga Tonga volcano, 2017
Bedded tuff with two piles of volcanic ash
仙巌園 克灰袋
Ground deformation relating to volcanic activity
Volcanic eruption
有珠山噴火で壊された工場
Volcanic lava flow, artwork
Rio Blanco, Chaiten, Chile
Badlands, John Day National Monument, USA
Katmai volcano erupting, Alaska, 1913
Column of ash rising from Anak Krakatau volcano
Lightning and eruption of Anak Krakatau volcano
Bentonite clay mound, Arizona, USA
熊本県 阿蘇山
Mount Cleveland, Alaska, ISS image
Mount Agung volcano in Indonesia, satellite image
Volcan de Fuego ash erupting, Guatemala
都城市降灰のようす
砂千里ヶ浜
熊本県 阿蘇山の道
Petrified Forest National Park Arizona: fossil tree trunks from c. 225 million years ago; mainly Araucarioxylon and Woodworthia. Fossilised in the Chinle layer Triassic era. USA
路面電車 鹿児島
Eruption of Fuego volcano, November 2016
Eyjafjallajokull volcano erupting, Iceland, 2010
Reventador volcano erupting, Ecuador
Mount Etna erupting at night
Mount Etna erupting
View of Mount Etna erupting at night
Moss covered lava fields, Iceland
Tolbachik volcano, Kamchatka, Russia
Active lava eruption on the Tolbachik volcano, Kamchatka, Russia
Active magma in a stream below the Tolbachik volcano, Kamchatka, Russia
Boiling mud pool
Nyamulagira volcano, Congo
Volcan de Fuego erupting at night, Guatemala
Ashfall Fossil Beds
Volcano
Volcanism
Geyser
Active lava stream, Tolbachik volcano, Kamchatka, Russia
Eruption of Sakurajima volcano, March 2015
Eruption of Momotombo volcano, February 2016
VESUVIUS, ITALY.
Eruption of Fuego volcano, Guatemala, February 2018
Volcano and steam cloud, New Zealand
Whakaari volcano geothermal area, New Zealand
Russia, View of eruption at Mutnovsky volcano
Russia, View of eruption at Gorely volcano
Japan, Suanose jima volcano erupting
Indonesia, View of eruption from Batu Tara volcano island
Sakurajima volcano erupting, Japan, 2012
Orbicular granite, Craftsbury, Vermont
Silver, South America
鹿児島県 鹿児島市 黒神埋没鳥居
Artwork of Volcanic Moon Io
Araucaria fossil wood
Lava block wall in Snafellsness, Iceland
Grand Geyser erupting, Yellowstone National Park, USA
Volcanoes and water on Venus
Erupting mud pool
Enceladus, Cassini image
Enceladus, Cassini images
Strokkur geyser erupting, Iceland
Old Faithful geyser, Yellowstone National Park, USA
Old Faithful Geyser erupting, Yellowstone National Park, USA
Eruption of mt. pinatubo
Montserrat, Plymouth, ruined interior of house after volcanic eruption
Meltwater pond
中岳火口
阿蘇の噴煙
Polished sphere of orbicular jasper
Steam from a Kilauea volcano lava flow
Vanuatu, Volcano eruption
Satellite image of eruption of Kliuchevskoi or Klyuchevskaya Sopka volcano, Kamchatka Peninsula, Russia, 2010
Ash plume rising from a vent on Kilauea, May 2018
Overlook crater on Kilauea, May 2018
Whakaari volcano vent and tour helicopter, New Zealand
Pillow lava near Laugarvatn, Iceland
Russia, View of eruption at Bezymianny volcano
Kaibito plateau
Meltwater pools
Herculaneum and Vesuvius.
Lava flows
Satellite image of the Pacific Ocean near Japan with a large brown cloud
Strokkur geyser eruption sequence
阿蘇五岳
Volcanic ash, SEM
冬の阿蘇
阿蘇の噴煙と草千里ヶ浜
阿蘇山噴火
夏の阿蘇
Reunion Island, Piton de la Fournaisse Volcano, lava flow
Volcanic atmospheric plume, ISS image
Home Reef volcanic island emerging, 2006
Mount Etna eruption
Hunga Tonga-Hunga Ha'apai volcano plume, satellite images
Barre Granite, Granodiorite
Roman skull, Pompeii
朝日のあたる桜島噴火
Reunion, Reunion National Park, View to Le Cratere Commerson, Riviere des Remparts and Piton des Neiges
Eruption of mount st helens
Usa, washington, mount st. helens erupting
Eruption of Stromboli, July 2014
Talc, Vermont, USA