Giant hole, thought to have been caused by methane release, is biggest of its kind discovered in Russia’s Yamal peninsula. It is the 17th crater of its kind to be found and documented in Yamal since 2014.
Weatherwatch A recent heatwave in Siberia’s frozen wastes has resulted in outbreaks of deadly anthrax and a series of violent explosions
Locals say they saw flames and smoke as a major bubble of methane blasted below the surface and created another sinkhole in the Russian Arctic peninsula.
The aim is to give warnings over seismic activity that could lead to the sudden formation of new craters, which could potentially damage key industrial infrastructure.
Scientists rush to site of latest tundra eruption - which formed a crater 50 metres deep - amid fears for homes and key industrial sites.
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