The Doggerland Tsunami - Storegga Landslide

Look at the size of the Storegga Landslide compared to the British Isles.

This was the landslide that wiped out the mesolithic landscape of Doggerland in the North Sea.

https://www.mdpi.com/2076-3263/10/7/270/htm

via International Skeptics Forum https://ift.tt/398Ye8N