Roughly 15 000 craters never before seen dot the ocean floor near big sur the team reported here today at the annual meeting of the american geophysical.
Giant craters seas floor.
250 million year old cracks in the seafloor feed greenhouse gas methane into giant craters in the barents sea.
Where the siberian craters are 50 90 meters across 170 300 feet those on the sea bed are oval shaped and up to 30 times as wide meaning they have almost 1 000 times the area.
Scientists found the giant craters on the sea floor in an area in the west central barents sea it could also possibly explain the loss of ships and aircraft in the controversial area.
Giant craters on the arctic sea floor were formed when methane gas previously trapped in ice was released with such force it blew through bedrock norwegian researchers say.
Giant craters along the floor of the barents sea were created when methane gases erupted about 11 600 years ago.
The new observations revealed a surprise.
Hundreds of huge craters discovered in the arctic ocean the potentially ominous depressions in the sea floor formed after ice sheets melted letting trapped methane blow out.
While it s been centuries since more than 100 giant craters on the arctic sea floor were created by massive eruptions of methane gas the craters are still leaking methane a major contributor to.
More than 100 craters presently expelling enormous amounts of the greenhouse gas into.
With the exception of some ectothermic species such as the sea turtles and crocodilians no tetrapods weighing more than 25 kilograms 55 pounds survived.
Hundreds of craters with some over 3 000 feet wide were uncovered by scientists in 2017 when they were mapping the floor of the barents sea.