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.

Scientists have identified the “mystery volcano” that erupted in 1831 and cooled Earth’s climate. They have linked it to an ...

A DEADLY volcano that spits bright blue lava contains the world’s largest acid lake – capable of melting human skin. Kawah Ijen, is a gargantuan volcano on the island of Java, ...

In 1815, the Indonesian volcano exploded in the most powerful ... reflecting it back into space and cooling the planet below. These particles “will blow around the world and last for a couple ...