Cika wannan jumla: Tsuntsaye na tsunami da ke tasiri a Birtaniya ba safai ba ne, tare da biyu (watakila uku) da aka gano; a 3m high wave a sakamakon
1755 Lisbon girgizar kasa, da 21m high tsunami a 6100 BC wanda ya faru a karkashin sosai daban-daban yanayin kasa (Storegga Slide). A cikin 'yan shekarun nan an sami tarin shaidu da ke nuna cewa ambaliyar Bristol Channel ta 1607 na iya zama sakamakon tsunami wanda ya tashi daga tsayin mita 4 zuwa sama da mita 6 yayin da ya wuce tashar.