RMHYN7G5–Champagne Pool at geothermal site, Wai-O-Tapu Thermal Wonderland on North Island of New Zealand
RF2J4W560–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2N05T21–A 'hornito' on an old lava flow (1971) on Mount Etna, Sicily. They are formed by lava being forced upwards through the crust of a lava flow
RF2D5RYN9–View to White Island (Whakaari)an active andesite stratovolcano,situated 48 km from the east coast of the North Island of New Zealand.Active volcano i
RM2K89D54–Swimming pool in the lava cave, Jameos del Agua, built by the artist Cesar Manrique, Lanzarote, Canary Islands, Spain,
RMW78W5C–OR: Douglas County, Cascades Range, Soda Springs Basalt Columns. The North Umpqua River runs underneath a cliff of basalt columns
RMWX8JB8–volcanic activities at waimangu
RMP8AWRK–Arenal Volcano is a stratovolcano in Costa Rica with a very typical conical form. It was dormant for several hundred years, but then active 1968-2010.
RMHFGGH0–Mount Vesuvius from across the Bay of Naples. Famous for it's 79AD eruption that destroyed Pompeii in Campania, Southern Italy.
RF2DDXDG2–Crater of Tangkuban Perahu, an active volcano in Indonesia
RM2JFX2WP–A standalone lava skylight on the Puʻu ʻŌʻō crater at K?lauea, Hawaii. The skylight is about 6m (20 ft) across and the lava stream is flowing toward the upper right side of the photo. Credit: USGS
RFK71ACJ–Turrialba active volcano Costa Rica
RF2BGA6DK–Warning sign, Tokaanu Thermal Walk, Tokaanu, Lake Taupo, North Island New Zealand
RMM7WNBR–HOT SPRING MINERALIZATION IN THE RIVER KARLOVA VARY CZECH REPUBLIC
RMAC5XF3–overview, aerial view, crater, Haleakala National Park, Haleakala, Maui, Hawaii, United States
RM2BM03DH–Agglomerate - pyroclastic igneous rock with larger lava fragments in tuffaceous matrix
RMKB5BDN–Sulfur miners carrying sulfur from the Ijen volcano crater.
RM2PGBBDJ–The crater of Mount Mahawu volcano in Tomohon, North Sulawesi, Indonesia.
RM2HKTTCT–Mass of basalt prisms with articulated base near la Piana, Vicentin, northern Italy. Amas de prismes basaltiques articules dans leur partie inferieure pres le hameau de la Piana, dans le Vicentin. Copperplate engraving by Giuseppe Dall'Acqua after Sellier from Scipion Breislak’s Traite sur la Structure Exterieure du Globe, Treatise on the Exterior Structure of the Globe, Jean-Pierre Giegler, Milan, 1822.
RMM18D15–Tourists stand and watch Strokkur geyser erupting water due to geothermal activity on a sunny Autumn day, southwestern Iceland
RF2J4W5CB–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2MX4K47–The wild and desolate volcanic lava landscape of the vast Valle del Bove on Mount Etna, Sicily, Italy
RF2D5T0K7–View to White Island (Whakaari)an active andesite stratovolcano,situated 48 km from the east coast of the North Island of New Zealand.Active volcano i
RFHP24AK–El Tatio geysers, Atacama desert. Region de Antofagasta. Chile
RMW78TYT–OR: Douglas County, Cascades Range, Soda Springs Basalt Columns. The North Umpqua River runs underneath a cliff of basalt columns
RMWX8F61–volcanic activities at waimangu
RM2GJ01YG–View of Sileri Crater from Dieng Plateau
RF2F78E4X–Tres Virgenes volcano
RF2DDXDKX–Crater of Tangkuban Perahu, an active volcano in Indonesia
RM2JFX35F–Lava Sampling Ñ Geologists at the Hawaiian Volcano Observatory (HVO) take lava samples as close to a vent as possible. Once the sample is scooped from the p?hoehoe lobe, it is quenched in water to stop the growth of any crystals and to preserve the composition of the liquid lava. Once cooled, the sample is sent first to UH Hilo for basic analysis before being sent for fuller analysis by a lab on the mainland. This data is used, with HVO's geophysical monitoring data, as another way to assess any changes that may be occurring within K?lauea volcano. Credit: USGS
RFK71AC4–Turrialba active volcano Costa Rica
RF2BGA5CY–Tree branches and algae in thermal spring, Tokaanu Thermal Walk, Tokaanu, Lake Taupo, North Island New Zealand
RMBKKDRF–Lava fountains during start of Iceland Eyjafjallajökull volcanic eruption at dawn 30 March 2010
RMHYYPA3–Sea cave eroded into tuff cliff (compacted volcanic ash) on Isabela Island in the Galapagos
RMKB5BKN–Sulfur miners carrying sulfur from the Ijen volcano crater.
RM2PGBB67–The crater of Mount Mahawu volcano in Tomohon, North Sulawesi, Indonesia.
RM2HKTTD5–Basaltic mound called the Stone of St. Blaise, Euganean Hills. Mass of porous quadrilateral columns. Butte basaltique appelee pierre de S. Blaise dans les monts Euganeens. Copperplate engraving by Milanese painter Gaetano Riboldi from Scipion Breislak’s Traite sur la Structure Exterieure du Globe, Treatise on the Exterior Structure of the Globe, Jean-Pierre Giegler, Milan, 1822.
RMM18D16–Strokkur geyser erupting water due to geothermal activity backlit on a sunny Autumn day, southwestern Iceland
RF2J4W53W–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2MX2MR2–Mount Etna, Sicily - ferns growing in the entrance to a lava cave or tube formed in the 1928 eruption that destroyed the coastal town of Mascali
RF2D5RY0N–View to White Island (Whakaari)an active andesite stratovolcano,situated 48 km from the east coast of the North Island of New Zealand.Active volcano i
RM2K89D4P–Swimming pool in the lava cave, Jameos del Agua, built by the artist Cesar Manrique, Lanzarote, Canary Islands, Spain,
RMW78TNX–OR: Douglas County, Cascades Range, Soda Springs Basalt Columns. The North Umpqua River runs underneath a cliff of basalt columns
RMG032C1–Smoking crater detail in Indonesian volcano Bromo
RFAKBN9Y–Steam from active lava flows into Pacific Ocean on Hawaii
RF2F78E4W–Tres Virgenes volcano
RF2DDXDRK–Crater of Tangkuban Perahu, an active volcano in Indonesia
RM2JFX3AD–An Hawaiian Volcano Observatory geologist shields his face from intense heat as he dips a rock hammer into an active p?hoehoe toe. After scooping out the lava it is placed in the water to quench it. HVO routinely collects lava samples for chemical analysis, which can give insight into changes in the magmatic system. Credit: USGS
RFK71AC2–Turrialba active volcano Costa Rica
RF2BGA029–Hot water from Otumuheke Stream running into Waikato River at Spa Thermal Park, Taupo, North Island, New Zealand
RF2WG2061–Female caver negotiating a tight, narrow crawl in a volcanic lava tube cave. Big Island, Hawaii.
RF2FKRJPY–Cratere di Vulcano all'isola di Vulcano
RM2A9GC79–Welded Ignimbrite - San Jose, Colorado
RMKB5BHC–Sulfur miners carrying sulfur from the Ijen volcano crater.
RM2PGBB2D–The crater of Mount Mahawu volcano in Tomohon, North Sulawesi, Indonesia.
RM2HKTTFH–Waterfall and windmill of Schiva-noja, Castelnuovo, Italy. On a bed of Masegna, hard porphyritic rock, on shelly marl, Euganean Hills. Sketch provided by Count Marzari. Lit de masegna place sur des couches de marne coquilliere dans les monts Euganeens. Copperplate engraving by Giuseppe Dall'Acqua after Bagnara from Scipion Breislak’s Traite sur la Structure Exterieure du Globe, Treatise on the Exterior Structure of the Globe, Jean-Pierre Giegler, Milan, 1822.
RMA1NRJ0–Rangitoto island, Auckland harbour, New Zealand
RF2J4W5DK–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2MX2N99–A 'hornito' on an old lava flow (1928) on Mount Etna, Sicily. They are formed by lava being forced upwards through the crust of a lava flow
RF2D5T00M–View to White Island (Whakaari)an active andesite stratovolcano,situated 48 km from the east coast of the North Island of New Zealand.Active volcano i
RM2K89D4D–Jameos del Agua, Cesar Manrique, Lanzarote, Canary Islands, Spain
RMW78W50–OR: Douglas County, Cascades Range, Soda Springs Basalt Columns. The North Umpqua River runs underneath a cliff of basalt columns
RFBPJXHT–February 7, 2008 - Erta Ale lava lake, Danakil Depression, Ethiopia.
RFAKBNKT–Pahoehoe lava flow from 1992-2003 eruption
RF2F78E51–Tres Virgenes volcano
RMJEM67E–David M Pyle , University of Oxford, Oxford professor, expert in Volcanology, Petrology, Geochemistry, author of 'Volcanoes: Encounters Through the Ages' - appearing at the 2017 Hay Festival of Literature and the Arts, Hay on Wye, Wales UK
RF2H0WBEN–Volcano eruption on Cumbre Vieja, La Palma island, Canary islands
RFK71ABD–Turrialba active volcano Costa Rica
RF2BGA058–Hot water from Otumuheke Stream running into Waikato River at Spa Thermal Park, Taupo, North Island, New Zealand
RFM52M7G–Ruatapu Cave or Sacred cave. One of only two geothermaly situated caves know in the world
RM2HD4W19–(220103) -- LUMAJANG, Jan. 3, 2022 (Xinhua) -- Photo taken on Jan. 3, 2022 shows white smokes and volcanic materials spewing from Mount Semeru in Lumajang, East Java, Indonesia. (Indonesian Volcanology and Geological Hazard Mitigation Center/Handout via Xinhua)
RM2A9GC7B–Brecciated Rhyolite - Waiora Formation, Wairakei, New Zealand
RMKB5BG3–Sulfur miners carrying sulfur from the Ijen volcano crater.
RM2PGBAN9–Vegetation of shrubs and bushes on the slopes of Mount Lokon, an active volcano in Tomohon, North Sulawesi, Indonesia.
RM2HKTT8F–Hasenberg mountain with its basalt prisms, near Libochowitz, Bohemia (Czech Republic). Klopay castle on the summit is built of basalt. After a drawing by Czech geologist Franz Ambrosius Reuss. Montagne du Hasenberg pres de Libochowitz en Boheme. Copperplate engraving by Giuseppe Dall'Acqua from Scipion Breislak’s Traite sur la Structure Exterieure du Globe, Treatise on the Exterior Structure of the Globe, Jean-Pierre Giegler, Milan, 1822.
RMD4M98C–Antonio Piersanti, geologist of the National Italian Institute of Geophysic and volcanology
RF2J4W58Y–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2JTY32E–The volcanological observatory of Pizzi Deneri at 2800m on Mount Etna, Sicily, Italy, seen at sunset
RM2KATHWC–Panorama of Mount Agung viewed from Tulamben, Karangasem, Bali, November, 30,2017. The Center for Volcanology and Geological Hazard Mitigation Indonesia, said Mount Agung entered the phase of quiet period. (Photo by Dasril Roszandi/NurPhoto)
RFHP24AD–El Tatio geysers, Atacama desert. Region de Antofagasta. Chile
RMW78WB2–OR: Douglas County, Cascades Range, Soda Springs Basalt Columns. The North Umpqua River runs underneath a cliff of basalt columns
RM2T1E32X–Italy: Campi Flegrei The director of the national institute of geo-volcanology in Naples Mauro Antonio Di Vito During technical-operational meeting with mayors and institutions on the phenomenon of bradyseism in the Phlegraean Fields. DSCF3064 Copyright: xAntonioxBalascox Credit: Imago/Alamy Live News
RMAKBNGX–Pahoehoe lava flow from 1992-2003 eruption
RF2F78F2Y–Las Tres Vírgenes volcano
RMJEM689–David M Pyle , University of Oxford, Oxford professor, expert in Volcanology, Petrology, Geochemistry, author of 'Volcanoes: Encounters Through the Ages' - appearing at the 2017 Hay Festival of Literature and the Arts, Hay on Wye, Wales UK
RF2H0WBE3–Volcano eruption on Cumbre Vieja, La Palma island, Canary islands
RFK71AAY–Turrialba active volcano Costa Rica
RF2BGA023–Hot water from Otumuheke Stream running into Waikato River at Spa Thermal Park, Taupo, North Island, New Zealand
RFM52M71–Geothermal activity, terrace and steam rising , Orakei Korako park, New Zealand
RMKB5BFH–Sulfur miners carrying sulfur from the Ijen volcano crater.
RM2PGBAC5–Vegetation of shrubs and bushes on the slopes of Mount Lokon, an active volcano in Tomohon, North Sulawesi, Indonesia.
RM2HKTT5C–Geologists studying the western side of the Giant's Causeway, Antrim, Northern Ireland. Basalt columns from an ancient volcanic fissure eruption. Cote occidental du pave des Geans dans le Conte d'Antrim en Irlande. Copperplate engraving by Gaetano Riboldi from Scipion Breislak’s Traite sur la Structure Exterieure du Globe, Treatise on the Exterior Structure of the Globe, Jean-Pierre Giegler, Milan, 1822.
RF2T5K8A5–close up of the rock formation at the Giants Causeway Northern Ireland
RF2J4W522–Impressive aerial view of the exploding red lava from the Active Volcano in Iceland
RM2JTY35W–The volcanological observatory of Pizzi Deneri at 2800m on Mount Etna, Sicily, Italy, seen at sunset
RM2KATHWE–Panorama of Mount Agung viewed from Tulamben, Karangasem, Bali, November, 30,2017. The Center for Volcanology and Geological Hazard Mitigation Indonesia, said Mount Agung entered the phase of quiet period. (Photo by Dasril Roszandi/NurPhoto)
RFHP24C0–El Tatio geysers, Atacama desert. Region de Antofagasta. Chile
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