When you’re in the mine, the sky is covered by gases. Day and night are confused. You feel suspended in time. Sunarto, 41 years old, carries a load of sulfur out of the Kawah Ijen crater.

About 22 post-caldera volcanic cones have formed both inside the caldera and on its rim. Ijen is the most acidic crater lake on Earth and the largest of its kind. Thanks to a rare phenomenon, high ...

The volcano’s activity tends to attract more visitors ... Huang Lihong, 31, fell into the Ijen Crater in Banyuwangi, East Java, Indonesia, on April 20 while posing in a picture her husband ...

A truly remarkable quirk of the natural world - this volcano lights up the night sky in an iridescent blue when its sulphuric ...