Giant Craters Appearing on Arctic Seafloor - Tasnim News Agency

 

Enormous craters measuring 90 feet in depth have appeared on the seafloor of the Arctic Ocean.

Los misterios de los cráteres de Yamal - Documental de RT

 

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Siberia's Giant Holes to Hell

Two giant holes are devouring Yamal. Over the past three years they have increased significantly in size and continue to grow. The "Gates of Hell" were first discovered in 2014.

Researchers examine bottom of strange crater in N Siberia

Russian researchers for the first time have reached the bottom of the strange large crater on the Yamal Peninsula, northwest Siberia, the press service of the regional government told TASS.