A team of researchers affiliated with several institutions in the U.K. has found evidence that suggests the ancient Dogger Island survived a tsunami approximately 8,150 years ago. In their paper published in the journal Antiquity, the group describes their analysis of core samples taken from the sea bed where Dogger Island was once located and what they found.
source https://phys.org/news/2020-12-sediment-cores-dogger-littoral-island.html