May 6, 2025
Science

Why is blue lava flowing from the Kawah Ijen volcano in Indonesia, instead of red?

  • July 25, 2024
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At night you can see the fascinating lava flowing on the slopes of this volcano. a blue glow When you see it spreading, you may feel like you’re

Why is blue lava flowing from the Kawah Ijen volcano in Indonesia, instead of red?

At night you can see the fascinating lava flowing on the slopes of this volcano. a blue glow When you see it spreading, you may feel like you’re on another planet.

Well, this phenomenon How does it happen?

The blue lava of Kawah Ijen is not actually real lava.

Kawah Ijen

Kawah Ijen, A volcano containing large amounts of sulfur. The volcano creates this unique image as a result of the burning of underground sulfur reserves. Sulfur, When it comes from underground to the surface, it comes into contact with oxygen and burns.

During this combustion process sulphur vapour appears and these fumes appear bright blue at night. The ignition temperature of sulfuric vapor is about 360 °C and when it burns at this temperature it produces a blue glow in the air. These blue flames also clearly resemble lava flows at night.

    Kawah Ijen volcano

The conditions necessary for the process to take place are also Kawah Ijen volcano Its structure sets it apart from other volcanoes in the world.

It is famous not only for its blue lava, but also for its turquoise crater lake.

Kawah Ijen Lake

This lake is one of the most acidic lakes in the world and has a high level sulfuric acid level This is why it has this color. This unique feature of the crater makes it an attractive place for visiting scientists and tourists.

If you ever go to Indonesia, Kawah Ijen volcano You can visit and witness this unique natural phenomenon. Who knows, seeing the scientific facts behind these blue flames with your own eyes will remind you once again how beautiful nature is.

Sources: Science Focus, Smithsonian Magazine, Ifl Science, National Geographic

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