This map, published by Jeffrey D. Bond for the Yukon Geological Service of Canada in 2019, depicts the Beringia Bridge 18,000 years ago, during the last glacial peak.
The Beringia Bridge or Beringia is the name given to the land that linked Russia and Alaska across the strait during the last glacial peak. Because of the ice age, between 25,000 and 10,500 BC, the sea level dropped by up to 120 metres, allowing the strait to disappear, so that Asia and North America were connected by the Beringia Bridge.
The map shows in green all the areas that were exposed at the surface, as well as the regions that were covered by ice in both Alaska and eastern Russia. This geological event was of great importance to human history, as it is considered to have been one of the main ways in which humans populated the American continent.
Here you can read more about lands emerged during the last glacial peak.
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