Giant craters along the floor of the barents sea were created when methane gases erupted about 11 600 years ago.
Craters ocean floor.
The researchers investigated a crater that was 184 feet 56 m deep and had an unusual oblong shape.
The giant crater in the ocean floor off the yucatan peninsula is filled in by natural forces but the impact of this worldly collission must have been unimaginable.
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Enormous craters blasted in seafloor by nuclear bombs mapped for the first time.
The new observations revealed a surprise.
Hundreds of craters with some over 3 000 feet wide were.
A new study in science shows that hundreds of massive kilometer wide craters on the ocean floor in the arctic were formed by substantial methane expulsions.
Seafloor mapping has revealed craters beneath the pacific ocean from nuclear weapons testing scientists report.
They determined that it was a composite crater from multiple blasts.
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Today smaller seeps vertical lines still bubble up around the craters.
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Using sonar mounted on autonomous underwater vehicles to survey the ocean floor 3 000 to 4 000 feet underwater the researchers were surprised to also find more than 15 000 micro depressions.
A 250 million year old fault system supplying methane to enormous craters that line the floor of the arctic ocean has been discovered.
Geologists exploring the ocean floor near the shores of the city of dalvĂk on iceland s northern coast have uncovered a mysterious series of craters which appear to be unnatural in origin and they don t know what to make of them.
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