A massive explosion in the frozen Arctic tundra has left a 165ft deep crater amid a summer of unprecedented heat. Caused by a buildup of methane gas, the giant hole - one of the biggest found so far - was accidentally discovered on the Yamal peninsula in Russia as a TV crew flew overhead.
Blocks of soil and ice were thrown “hundreds of metres” from the epicentre of the “colossal force”, according to scientists who examined the site.
They cited a build up of pressure from methane gas in the thawing permafrost after a record hot summer in many Arctic regions across Russia.
It is the 17th large cylindrical cavity to appear in the past six years, and previous craters have sparked conspiracy theories about everything from UFOs to Kremlin
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