<prompt> Pedzisa mutsara unotevera: Kuitika kwetsunami kunobata UK kushoma, neaviri chete zvichida vatatu vakazivikanwa; 3m yakakwirira wave somugumisiro we  <response>: Kudengenyeka kweLisbon muna 1755, uye tsunami yakakwirira mamita 21 muna 6100 BC yakaitika pasi pemamiriro akasiyana-siyana Storegga Slide. Mumakore achangobva kupfuura kwave kune kuunganidzwa kweuchapupu hunoratidzira kuti mafashamo eBristol Channel a 1607 angavewo akavapo nemhaka yetsunami yakasimuka kubva pakukwirira kwemamita 4 kusvika kumamita anopfuura 6 sezvo yakapfuura mugero wacho. 