Doggerland was submerged by a tsunami formed in what ocean?
Storegga Slide The three Storegga Slides are considered to be amongst the largest known landslides. They occurred under water, at the edge of Norway's continental shelf in the Norwegian Sea, approximately 6225–6170 BCE. The collapse involved an estimated 290 km length of coastal shelf, with a total volume of 3500 km3 of debris, which caused a very large tsunami in the North Atlantic Ocean.
No.18 Kyotoku-maru Kyotoku-maru no. 18 is a fishing trawler which was swept inland during tsunami that followed the 2011 Tōhoku earthquake and tsunami, in the city of Kesennuma, Miyagi in Japan.