Yamal permafrost mounds

Dissecting them like surgical abscesses to release the gas seen as one solution to avoid future eruptions.

Blocks of soil and ice thrown hundreds of metres from epicentre of the funnel at the Yamal peninsula.

Scientists rush to site of latest tundra eruption - which formed a crater 50 metres deep - amid fears for homes and key industrial sites.

Concern from scientists over potential danger to gas production facilities in region vital for energy supplies.

Bulging bumps in the Yamal and Gydan peninsulas believed to be caused by thawing permafrost releasing methane.

Pipes are built over bulging and unstable Arctic pingos prone to violent eruptions caused by 'thawing methane gas', as seen twice on the Yamal peninsula this year.

Warning of methane blasts in Kara Sea adjacent to Yamal craters caused by gas eruptions associated with melting permafrost due to global warming.