<prompt> Qedela umusho olandelayo: Ukuvela kwama-tsunami athinta i-UK akuvamile, kwabonwa amabili kuphela mhlawumbe amathathu; igagasi eliphakeme ngamamitha amathathu ngenxa ye-  <response>: Ukuzamazama komhlaba kwaseLisbon ngo-1755, kanye ne-tsunami ephakeme ngamamitha angu-21 ngo-6100 BC okwenzeka ngaphansi kwezimo ezihluke kakhulu zokwakheka komhlaba iStoregga Slide. Eminyakeni yamuva nje kuye kwaqoqwa ubufakazi obukhombisa ukuthi izikhukhula zaseBristol Channel zango-1607 kungenzeka futhi zabangelwa yi-tsunami eyaphakama isuka ekuphakameni kwamamitha amane yaya ngaphezu kwamamitha ayisithupha njengoba yayidlula emseleni. 