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Geography
The gas crater is located near the village of Derweze, also known as Darvaza. It is in the middle of the Karakum Desert, about 260 kilometres (160 mi) north of Ashgabat, the capital of Turkmenistan. The gas reserve found here is one of the largest 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).

History
The Darvaza gas crater and the surrounding area, including where the tents usually are pitched, a couple of hundred meters away to the south of the crater.

According to Turkmen geologist Anatoly Bushmakin, the site was identified by Soviet engineers in 1971.[6] It was originally thought to be a substantial oil field site. The engineers set up a drilling rig and operations to assess the quantity of oil available at the site. Soon after the preliminary survey found a natural gas pocket, the ground beneath the drilling rig and camp collapsed into a wide crater and was buried.

Expecting dangerous releases of poisonous gases from the cavern into nearby towns, the engineers thought it best to burn the gas off. It was estimated that the gas would burn out within a few weeks, but it has instead continued to burn for more than four decades.

The early years of the crater's history are uncertain: local geologists say the collapse into a crater happened in the 1960s, and the gases were not set on fire until the 1980s. There are, however, no records available of the Soviet or Turkmen version of events.

In April 2010, the President of Turkmenistan, Gurbanguly Berdimuhamedow, visited the site and ordered that the hole should be closed. In 2013, he declared the part of the Karakum Desert with the crater a nature reserve.[6]

The crater was featured in an episode of the short-lived (2014) National Geographic Channel series Die Trying. In the July 16, 2014 episode "Crater of Fire", explorer George Kourounis became the first person to ever set foot at the bottom, gathering samples of extremophile microorganisms.[11] An edited photograph of the crater was also released as publicity for the then-upcoming 2014 Godzilla film, with the image depicting MONARCH agents and vehicles investigating the site.Lue lisää