The giant sinkhole located not far from Gazprom’s Bovanenkovo gas field in Russia’s northern Yamal Peninsula has been expanding, scientists said as cited by Yamal region TV. The researchers also discovered additional smaller craters appearing around it, the media said. The whole area is within Russia’s key strategic oil and gas region – the Yamalo-Nenets Autonomous Okrug.
The crater, discovered last year, has been gradually filling up with water and turning into a lake. Over the past winter and spring the water level in the crater has risen by 10 meters and it will continue to rise, scientists said, according to the government website of the Yamal-Nenetsky region .... http://rt.com