The great flood

Canadian geologists say they can shed light on how a vast lake, trapped under the ice sheet that once smothered much of North America, drained into the sea, an event that cooled Earth's climate for hundreds of years.

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And then, around 8,200 years ago, Agassiz-Ojibway massively drained, sending a flow of water into the Hudson Strait and into the Labrador Sea that was 15 times greater than the present discharge of the Amazon River. By some estimates, sea levels rose 14 metres (45 feet) as a result.

Could this be the source of the Great Flood stories in ancient literature from all over the world?