The Batagay Crater in northeast Siberia is approximately 88 hectares (about one square kilometer) as of 2023 and has been growing since it appeared in the 1960s, releasing greenhouse gases and pollutants into the local river.

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As of 2023, it's about 88 hectares big, or a little less than one square kilometer. But here's the thing: since it appeared in the 1960s, that doorway has been growing, releasing tons of greenhouse gasses into the atmosphere and pollutants into the local river.

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The Doorway to the Underworld is Growing and We Can't Stop ItSciShow
Created: 8/11/2026, 1:13:07 AM

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