A woman who had visited a 'heave mound' before an explosion almost became the 'first victim' of the geological event, a scientist studying the crater said.
, which was discovered by chance by a TV crew flying over on an unrelated assignment. Bogoyavlensky said the new crater contains a huge amount of scientific information and that the team is currently analyzing their findings.because of a build-up of methane deep beneath the surface. Methane gets trapped in pockets of unfrozen ground and starts to amass. When the pressure gets too much, it is released in a huge explosion.
A view of a crater on the Yamal Peninsula, northern Siberia, taken in 2014. The latest crater is the seventeenth to be found since 2014.Researchers are now trying to understand how many of these craters could be in the process of forming, with scientists looking for"heave mounds"—where the ground appears to be swelling—as evidence of an impending explosion.
Susan Natali, Arctic Program Director at the Woodwell Climate Research Center in Massachusetts, previously toldthe explosions would be extremely powerful."Some have caused localized fires at the point of explosion and all emit massive quantities of soil and ice from the depth of the crater to the surrounding tundra," she said in an email. Natali and colleagues are now trying to identify potential craters from satellite data.
"What we do know is that these craters represent a new process in Earth System Science that was unknown and unexpected before they were first discovered," she said."I think they are a good indicator of the rapid changes that are underway in the Arctic and provide a framework for understanding the potential for abrupt climate-mediated changes in the Arctic and globally."
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