sea level, it has been hypothesized that coastal areas of both Britain and mainland Europe, extending over areas which are now submerged, would have been temporarily inundated by a tsunami triggered by the Storegga Slide. This event would have had a catastrophic impact on the Mesolithic population at the time. A 2021 study found that about of Scotland's northern and eastern coastline were affected, with water encroaching inland. With present-day populations and sea levels, a similar event today could devastate and destroy seafront and port areas of Arbroath, Stonehaven, Aberdeen, Inverness, Wick, and Montrose. While the tsunami caused by the Second Storegga Slide would have been devastating for those within the run-in zone, ultimately the tsunami was neither universally catastrophic nor the reason behind the inundation of the last vestiges of Doggerland. Future slides Storegga has been thoroughly investigated as part of the preparation activities for the Ormen Lange gas field off the coast of Norway. The prevalent conclusion is the slide was caused by glacial deposits left behind after the previous glacial period, making any recurrence only possible following a new ice age. After facts and arguments supporting this conclusion were published in 2004, the development of the Ormen Lange gas field was considered unlikely to increase the risk of triggering a new slide. See also Arctic methane release Tsunamis affecting the British Isles Giant mass transport deposits (MTDs) References Further reading External links BBC: The moment Britain became an island, 14 February 2011 Historical geology Landslides in Norway Geology of Norway 7th millennium BC Natural disasters in Scotland Tsunamis Norwegian Sea North Sea