Kawah Ijen is a giant, active volcano on the island of Java with a crater that contains the world's largest acidic lake. The water has a pH lower than 0.3 in parts of the lake where hydrothermal ...

Kawah Ijen Crater Lake, at the top of the volcano, is the world's largest such body of water filled with hydrochloric acid. In fact, it's the acid that makes the water green.

The blue fire of Kawah Ijen / photo. Thomas Fuhrmann on Wikimedia Commons. Not only because the load has to be manually carried to the Paltuding valley (about 3 kilometers) twice a day (carrying ...

The Kawah Ijen volcanic complex. This vast complex is actually within a caldera – a crater that’s formed when a volcano erupts and collapses, often creating a large lake in its center.

Mount Ijen’s gorgeous vistas have captivated travelers for centuries, but in recent years, ... Sunarto, 41 years old, carries a load of sulfur out of the Kawah Ijen crater.

Ijen UNESCO Global Geopark, located in East Java, Indonesia, boasts with natural wonders and renowned for its volcanic landscape, unique geological formations, and cultural heritage. It encompasses ...

The Kawah Ijen volcano in Indonesia is like any other, but the blue lava phenomenon is caused by abundance of sulphur pockets in the rock.

The Kawah Ijen volcano in East Java, Indonesia, contains the world's largest acidic volcanic crater lake, famous for its turquoise color. It has a pH level of 0.5.

In other words, Kawah Ijen is the only known site in the world that has ignited blue flames for centuries. Meanwhile, the flames photographed at Dallol are only viewable under the right circumstances.

Kawah Ijen is an active volcano on the island of Java with an extremely acidic crater lake and gas emissions that produce blue flames upon contact with oxygen in Earth's atmosphere.