The Darvaza gas crater, also known as the Door to Hell or Gates of Hell, is a natural gas field collapsed into a cavern in Darvaza, Turkmenistan. Soviet geologists may have intentionally set it on fire to prevent the spread of methane gas, and it is thought to have been burning continuously since 1971.
The door of hell is located in northern Turkmenistan opened up in the desert of northern Turkmenistan The Darvaza Crater, more commonly known as the Door to Hell, still burns today π².
Details on the origin of the sinkhole are sketchy, but the story goes that Soviet scientists set it on fire to burn off noxious gases after the ground under a drilling rig gave way. Perhaps the scientists underestimated the amount of fuel that lay below—Turkmenistan has the sixth largest natural gas reserves in the world.
The name "Door to Hell" was given to the field by the locals, referring to the fire, boiling mud, and orange flames in the large crater, which has a diameter of 70 metres (230 ft). The hot spots range over an area with a width of 60 metres (200 ft) and to a depth of about 20 metres (66 ft).