Imagine for a moment: you stand before Vesuvius spewing its glowing entrails into the Neapolitan night. How do you capture this moment of pure natural violence on canvas? This was the challenge that generations of artists in landscape painting took on, armed with their brushes and sometimes foolhardy courage.
Painting techniques for depicting volcanic eruptions
In the 18th century, landscape painters invented genuine tricks to translate what their eyes saw. The main techniques developed included :
- Thick impasto to reproduce the viscous texture of molten lava
- Diluted pigments to create the translucent veils of volcanic smoke
- Splashes of pure paint simulating the explosive ejection of incandescent matter
- Night painting magnifying the luminous contrasts between darkness and blazing fire
Michael Wutky, that daring Austrian who accompanied the British ambassador on his perilous climbs, did not merely observe from afar. He applied his paint in thick layers to imitate the sticky texture of the lava flowing before his eyes. For the smoke? He diluted his pigments until they created translucent grey veils.
Pierre-Jacques Volaire, settled in Naples from 1767, witnessed several eruptions. His trick? Painting at night. The darkness magnified every incandescent glow, every spray of lava became a spectacular fireworks display. Joseph Wright of Derby, more minimalist, preferred economy of means: a few well-placed brushstrokes sufficed to capture the essence of the phenomenon.
Some artists did not hesitate to literally fling their paint onto the canvas to simulate volcanic explosions. Jules Tavernier, the Frenchman who arrived in Hawaii in 1884, became a local celebrity by painting the lava lake of Kilauea. His canvases vibrated with colours so vivid that one almost felt the heat of the magma, creating a genuinely immersive volcanic art.
For lovers of natural landscapes captured with authenticity, landscape paintings today offer a fine diversity, from volcanic scenes to calmer views.
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Discover this paintingHow painters depicted geysers and hot springs
In 1871, Thomas Moran joined the Hayden expedition to Yellowstone, that still-wild territory in Wyoming. For 40 days, he sketched everything he saw: the Grand Canyon with its multicoloured walls, the steaming springs of Mammoth Hot Springs, the geysers that erupted without warning. His watercolours of these natural phenomena, presented to Congress, caused a visual shock. Lawmakers could not believe their eyes. The result? The creation of the world's first national park in 1872.
Across the Atlantic, European painters were fascinated by the Icelandic Great Geysir. A coloured engraving from 1796 shows fascinated visitors, some even attempting to measure the height of the water jet with their instruments. Artists lingered over the details: those white and peach-coloured geyserite formations surrounding the springs, creating landscapes from another world.
Grafton Tyler Brown, an Afro-American artist based in Helena, Montana, painted Castle Geyser in 1890. He was not seeking photographic reproduction. He chose harmonious complementary colours, creating a vision both real and poetic. These paintings sold as souvenirs to tourists who stepped off the Northern Pacific Railway trains.
Geysers constantly changed after earthquakes. Painters documented these geological transformations in real time, becoming unwitting valuable scientific witnesses, blending artistic geology with naturalist observation.
The colours painters used for geothermal phenomena
Incandescent lava imposes its chromatic law: fiery red, flaming orange, bright yellow. Wutky went further: he wanted his paint to have the same texture, the same colour, the same consistency as the lava he observed at the edge of the Vesuvius crater.
Smoke posed a different challenge. One had to master a whole range of greys: thick anthracite for the ash, reddish-brown when the fire beneath illuminated it, delicate bluish for simple water vapour. Turner even profited from a catastrophic event to enrich his palette. After the 1815 eruption of Tambora, volcanic ash spread through the atmosphere created extraordinary sunsets for three years, bright red and intense orange, which the English painter hastened to immortalise in his artistic depiction of the blazing skies.
Lava tunnels reveal chromatic surprises: grey metallic reflections where the surface vitrified on contact with air, chocolate tints on the walls varnished by moving lava, reddish-orange from iron oxidation. Contemporary artists incorporate these nuances into their abstract works.
Hot springs display their own colour codes. Sulphur yellow betrays the solfataras, immaculate white signals travertine deposits, deep turquoise blue indicates mineral-rich thermal pools. Thomas Moran excelled at rendering these "wonderful coloring" - to borrow the awestruck expression of photographer William Henry Jackson. This fidelity to real colours set his watercolours apart from banal black-and-white sketches.
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Painters who specialised in depicting volcanoes
Pierre-Jacques Volaire remains the absolute reference for Vesuvius. This pupil of Claude Joseph Vernet settled in Naples in 1767 and stayed there, witnessing eruption after eruption. His canvases blended science and emotion: they showed terrified religious processions, Neapolitans praying to their patron saint, while above them the volcano spat its fire. His wealthy Grand Tour clients adored bringing back these spectacular night scenes.
Thomas Moran (1837-1926) became so associated with Yellowstone that he was nicknamed "Tom Yellowstone Moran". He even added a "Y" to his signature! His monumental canvas of the Grand Canyon of the Yellowstone, 7 feet high by 12 feet wide, so impressed Congress that they bought it for $10,000 - a colossal sum at the time. He then devoted his career to painting the future American national parks.
Michael Wutky, this Austrian painter who lacked nothing in boldness, climbed to the edge of the Vesuvius crater with the British ambassador Lord William Hamilton, a pioneer of volcanology. Until the invention of photography, his canvases were considered the most faithful representations of a volcanic eruption. His viewpoints, taken from the heart of the furnace, offered perspectives no one had dared capture before him.
Joseph Wright of Derby developed a spare, almost minimalist style. His views of Vesuvius circulated throughout Europe. Later, Dr Atl (Gerardo Murillo), a 20th-century Mexican painter, immortalised Paricutin and Popocatépetl with a modernist vision of telluric forces.
These artists were not mere copyists of nature. They interpreted, magnified and documented phenomena still mysterious in their time, contributing as much to advancing science as to enriching the history of art.
FAQ: The pictorial depiction of geothermal phenomena
How did 18th-century painters depict molten lava?
Artists such as Michael Wutky used thick impasto to reproduce the viscous texture of lava, while others literally flung paint onto the canvas to simulate volcanic explosions. Pierre-Jacques Volaire favoured night scenes in which the contrasts between darkness and incandescent glows magnified the power of the spectacle.
Why was Thomas Moran nicknamed "Tom Yellowstone Moran"?
Thomas Moran took part in the 1871 Hayden expedition that explored Yellowstone. His watercolours of the geysers, hot springs and coloured canyons so impressed the American Congress that they contributed to the creation of the first national park in 1872. He became so associated with the place that he added a "Y" to his artistic signature.
Which specific colours did painters use for geothermal phenomena?
The palette varied according to the manifestations: fiery red, orange and yellow for incandescent lava; anthracite grey, reddish-brown and bluish for smoke; sulphur yellow for solfataras; immaculate white for travertine; turquoise blue for thermal pools. Painters such as Moran and Wutky sought to faithfully reproduce these extraordinary natural colourations.
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