PhenomenaVault on Instagram: "MEGA-TSUNAMIS tall enough to swallow continents aren’t sci-fi—they’re real risks. A sudden flank collapse of an unstable volcano like Cumbre Vieja on La Palma could dump 500 km³ of rock into the ocean, launching waves hundreds of meters high across the Atlantic. Hours later, a 100–200 m wall of water would still smash into the Americas, flooding hundreds of kilometers inland and turning entire coastal regions into seabed. Similar catastrophes could come from a monst