#HTE

Kawah Ijen is a stratovolcano in the East Java Province of Indonesia. It has a 0.6-mile-wide (1 km) turquoise-colored acidic crater lake, which is the site of a major sulfur mining operation. At night, when sulfuric gases make contact with fresh air, electric blue flames can be seen rising from volcano up to 16 feet (5 m) high.

See more here: https://bit.ly/3vQqOpE

-8.058000°, 114.242000°

Source imagery: Maxar