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Author: Sven Kalbhenn

The blue flames of Mount Ijen

The 2386m high volcano Ijen is located on the south-easternmost tip of the Indonesian island of Java, right next to Bali. It is famous for its “blue lava”, which is actually liquid sulphur at a temperature of 538 degrees, which ignites immediately on contact with the air. Its turquoise crater lake consists of concentrated sulphuric acid.

The Bromo volcano

Mount Bromo is a volcano on the Indonesian island of Java. The 2329 metre high volcano lies within the huge Tengger caldera next to Mount Batok and is surrounded by a sea of black volcanic ash. It is one of the most active volcanoes on Java. It last erupted in March 2019. Thick clouds of sulphur constantly rise from its loud, hissing crater.