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Home → Features → Natural Sciences → Geology and Paleontology → Volcanoes

Volcano in Ethiopia is spewing out blue lava… sort of

Mihai AndreibyMihai Andrei
May 30, 2014 - Updated on April 28, 2023
in Features, Geology, Great Pics, Volcanoes
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Blue lava? Not quite

It’s a volcano, but not the kind of volcano we’re used to seeing. This is called a Cerulean eruption, and the blue tint that surrounds the lava comes from flames produced when escaping sulphuric gases burn. The volcano contains large amounts of pure sulfur, which emits an icy violet color as it burns, filling the air with toxic fumes. The picture above was taken in a low lying field in Ethiopia.

So what we’re seeing here is not actually blue lava, but normal, bright purple lava, surrounded by blue flames. Taking such a picture is never easy. French photographer Olivier Grunewald specializes on these images, which he takes without using any filters or image modification. In order to do this, he has to wait until dusk, when the blue flames are visible. He works with a gas mask to avoid breathing in the toxic fumes. The wind his biggest enemy.

Photo Olivier Grunewald 03__fit_640x426
Grunewald in his “natural environment”.

“We have to take care when the winds push the flames close to us,” he says. “In Danakil it is easier to escape as the land is flat.”

But even with all these precautions, after taking this photo, he had peeling skin and clothes smelling of rotten eggs for weeks.

Not the first time

Typical blue flames of sulfuric gaz Kawah Ijen

It’s not the first time Grunewald has traveled around the world to take pictures of the so-called blue lava. In January, he traveled to Indonesia, to photograph he surreal hue of Indonesia’s Kawah Ijen Volcano. The volcano is the subject of a new documentary produced by Grunewald and Régis Etienne, the president of Geneva’s Society of Volcanology, which was released earlier this year.

Here, you can see some of the magnificent pictures he has taken, as well as a short movie documenting how he takes the pictures.

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Typical blue flames of sulfuric gaz Kawah Ijen

Typical blue flames of sulfuric gaz Kawah Ijen

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Mihai Andrei

Mihai Andrei

Dr. Andrei Mihai is a geophysicist and founder of ZME Science. He has a Ph.D. in geophysics and archaeology and has completed courses from prestigious universities (with programs ranging from climate and astronomy to chemistry and geology). He is passionate about making research more accessible to everyone and communicating news and features to a broad audience.

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