The most devastating tsunami would be a Cumbre Vieja rock fall, at the Canares Islands, impacting Brasil, Caribbean and partially Florida. https://en.m.wikipedi

The most devastating tsunami would be a Cumbre Vieja rock fall, at the Canares Islands, impacting Brasil, Caribbean and partially Florida. https://en.m.wikipedia.org/wiki/Cumbre_Vieja_tsunami_hazard https://en.m.wikipedia.org/wiki/Cumbre_Vieja_tsunami_hazard There is no need for a 100m megatsunami, 5m is enough. The mass is critical, not the height